functions.php

   1 <?php
   2
   3         if ($_REQUEST["debug"]) {
   4                 define('DEFAULT_ERROR_LEVEL', E_ALL);
   5         }
   6
   7         require_once 'config.php';
   8
   9         if (DB_TYPE == "pgsql") {
  10                 define('SUBSTRING_FOR_DATE', 'SUBSTRING_FOR_DATE');
  11         } else {
  12                 define('SUBSTRING_FOR_DATE', 'SUBSTRING');
  13         }
  14
  15         /**
  16          * Return available translations names.
  17          *
  18          * @access public
  19          * @return array A array of available translations.
  20          */
  21         function get_translations() {
  22                 $tr = array(
  23                                         "auto"  => "Detect automatically",
  24                                         "ca_CA" => "Català",
  25                                         "en_US" => "English",
  26                                         "es_ES" => "Español",
  27                                         "de_DE" => "Deutsch",
  28                                         "fr_FR" => "Français",
  29                                         "hu_HU" => "Magyar (Hungarian)",
  30                                         "it_IT" => "Italiano",
  31                                         "ja_JP" => "日本語 (Japanese)",
  32                                         "nb_NO" => "Norwegian bokmål",
  33                                         "ru_RU" => "Русский",
  34                                         "pt_BR" => "Portuguese/Brazil",
  35                                         "zh_CN" => "Simplified Chinese");
  36
  37                 return $tr;
  38         }
  39
  40         if (ENABLE_TRANSLATIONS == true) { // If translations are enabled.
  41                 require_once "lib/accept-to-gettext.php";
  42                 require_once "lib/gettext/gettext.inc";
  43
  44                 function startup_gettext() {
  45
  46                         # Get locale from Accept-Language header
  47                         $lang = al2gt(array_keys(get_translations()), "text/html");
  48
  49                         if (defined('_TRANSLATION_OVERRIDE_DEFAULT')) {
  50                                 $lang = _TRANSLATION_OVERRIDE_DEFAULT;
  51                         }
  52
  53                         if ($_COOKIE["ttrss_lang"] && $_COOKIE["ttrss_lang"] != "auto") {
  54                                 $lang = $_COOKIE["ttrss_lang"];
  55                         }
  56
  57                         /* In login action of mobile version */
  58                         if ($_POST["language"] && defined('MOBILE_VERSION')) {
  59                                 $lang = $_POST["language"];
  60                                 $_COOKIE["ttrss_lang"] = $lang;
  61                         }
  62
  63                         if ($lang) {
  64                                 if (defined('LC_MESSAGES')) {
  65                                         _setlocale(LC_MESSAGES, $lang);
  66                                 } else if (defined('LC_ALL')) {
  67                                         _setlocale(LC_ALL, $lang);
  68                                 } else {
  69                                         die("can't setlocale(): please set ENABLE_TRANSLATIONS to false in config.php");
  70                                 }
  71
  72                                 if (defined('MOBILE_VERSION')) {
  73                                         _bindtextdomain("messages", "../locale");
  74                                 } else {
  75                                         _bindtextdomain("messages", "locale");
  76                                 }
  77
  78                                 _textdomain("messages");
  79                                 _bind_textdomain_codeset("messages", "UTF-8");
  80                         }
  81                 }
  82
  83                 startup_gettext();
  84
  85         } else { // If translations are enabled.
  86                 function __($msg) {
  87                         return $msg;
  88                 }
  89                 function startup_gettext() {
  90                         // no-op
  91                         return true;
  92                 }
  93         } // If translations are enabled.
  94
  95         if (defined('MEMCACHE_SERVER')) {
  96                 $memcache = new Memcache;
  97                 $memcache->connect(MEMCACHE_SERVER, 11211);
  98         }
  99
 100         require_once 'db-prefs.php';
 101         require_once 'compat.php';
 102         require_once 'errors.php';
 103         require_once 'version.php';
 104
 105         require_once 'lib/phpmailer/class.phpmailer.php';
 106
 107         define('MAGPIE_USER_AGENT_EXT', ' (Tiny Tiny RSS/' . VERSION . ')');
 108         define('MAGPIE_OUTPUT_ENCODING', 'UTF-8');
 109         define('MAGPIE_CACHE_AGE', 60*15); // 15 minutes
 110
 111         require_once "lib/simplepie/simplepie.inc";
 112         require_once "lib/magpierss/rss_fetch.inc";
 113         require_once 'lib/magpierss/rss_utils.inc';
 114         require_once 'lib/htmlpurifier/library/HTMLPurifier.auto.php';
 115
 116         /**
 117          * Print a timestamped debug message.
 118          *
 119          * @param string $msg The debug message.
 120          * @return void
 121          */
 122         function _debug($msg) {
 123                 $ts = strftime("%H:%M:%S", time());
 124                 if (function_exists('posix_getpid')) {
 125                         $ts = "$ts/" . posix_getpid();
 126                 }
 127                 print "[$ts] $msg\n";
 128         } // function _debug
 129
 130         /**
 131          * Purge a feed old posts.
 132          *
 133          * @param mixed $link A database connection.
 134          * @param mixed $feed_id The id of the purged feed.
 135          * @param mixed $purge_interval Olderness of purged posts.
 136          * @param boolean $debug Set to True to enable the debug. False by default.
 137          * @access public
 138          * @return void
 139          */
 140         function purge_feed($link, $feed_id, $purge_interval, $debug = false) {
 141
 142                 if (!$purge_interval) $purge_interval = feed_purge_interval($link, $feed_id);
 143
 144                 $rows = -1;
 145
 146                 $result = db_query($link,
 147                         "SELECT owner_uid FROM ttrss_feeds WHERE id = '$feed_id'");
 148
 149                 $owner_uid = false;
 150
 151                 if (db_num_rows($result) == 1) {
 152                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 153                 }
 154
 155                 if ($purge_interval == -1 || !$purge_interval) {
 156                         if ($owner_uid) {
 157                                 ccache_update($link, $feed_id, $owner_uid);
 158                         }
 159                         return;
 160                 }
 161
 162                 if (!$owner_uid) return;
 163
 164                 if (FORCE_ARTICLE_PURGE == 0) {
 165                         $purge_unread = get_pref($link, "PURGE_UNREAD_ARTICLES",
 166                                 $owner_uid, false);
 167                 } else {
 168                         $purge_unread = true;
 169                         $purge_interval = FORCE_ARTICLE_PURGE;
 170                 }
 171
 172                 if (!$purge_unread) $query_limit = " unread = false AND ";
 173
 174                 if (DB_TYPE == "pgsql") {
 175 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 176                                 marked = false AND feed_id = '$feed_id' AND
 177                                 (SELECT date_updated FROM ttrss_entries WHERE
 178                                         id = ref_id) < NOW() - INTERVAL '$purge_interval days'"); */
 179
 180                         $pg_version = get_pgsql_version($link);
 181
 182                         if (preg_match("/^7\./", $pg_version) || preg_match("/^8\.0/", $pg_version)) {
 183
 184                                 $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 185                                         ttrss_entries.id = ref_id AND
 186                                         marked = false AND
 187                                         feed_id = '$feed_id' AND
 188                                         $query_limit
 189                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 190
 191                         } else {
 192
 193                                 $result = db_query($link, "DELETE FROM ttrss_user_entries
 194                                         USING ttrss_entries
 195                                         WHERE ttrss_entries.id = ref_id AND
 196                                         marked = false AND
 197                                         feed_id = '$feed_id' AND
 198                                         $query_limit
 199                                         ttrss_entries.date_updated < NOW() - INTERVAL '$purge_interval days'");
 200                         }
 201
 202                         $rows = pg_affected_rows($result);
 203
 204                 } else {
 205
 206 /*                      $result = db_query($link, "DELETE FROM ttrss_user_entries WHERE
 207                                 marked = false AND feed_id = '$feed_id' AND
 208                                 (SELECT date_updated FROM ttrss_entries WHERE
 209                                         id = ref_id) < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)"); */
 210
 211                         $result = db_query($link, "DELETE FROM ttrss_user_entries
 212                                 USING ttrss_user_entries, ttrss_entries
 213                                 WHERE ttrss_entries.id = ref_id AND
 214                                 marked = false AND
 215                                 feed_id = '$feed_id' AND
 216                                 $query_limit
 217                                 ttrss_entries.date_updated < DATE_SUB(NOW(), INTERVAL $purge_interval DAY)");
 218
 219                         $rows = mysql_affected_rows($link);
 220
 221                 }
 222
 223                 ccache_update($link, $feed_id, $owner_uid);
 224
 225                 if ($debug) {
 226                         _debug("Purged feed $feed_id ($purge_interval): deleted $rows articles");
 227                 }
 228         } // function purge_feed
 229
 230         /**
 231          * Purge old posts from old feeds. Not used anymore, purging is done after feed update.
 232          *
 233          * @param mixed $link A database connection
 234          * @param boolean $do_output Set to true to enable printed output, false by default.
 235          * @param integer $limit The maximal number of removed posts.
 236          * @access public
 237          * @return void
 238          */
 239         /* function global_purge_old_posts($link, $do_output = false, $limit = false) {
 240
 241                 $random_qpart = sql_random_function();
 242
 243                 if ($limit) {
 244                         $limit_qpart = "LIMIT $limit";
 245                 } else {
 246                         $limit_qpart = "";
 247                 }
 248
 249                 $result = db_query($link,
 250                         "SELECT id,purge_interval,owner_uid FROM ttrss_feeds
 251                                 ORDER BY $random_qpart $limit_qpart");
 252
 253                 while ($line = db_fetch_assoc($result)) {
 254
 255                         $feed_id = $line["id"];
 256                         $purge_interval = $line["purge_interval"];
 257                         $owner_uid = $line["owner_uid"];
 258
 259                         if ($purge_interval == 0) {
 260
 261                                 $tmp_result = db_query($link,
 262                                         "SELECT value FROM ttrss_user_prefs WHERE
 263                                                 pref_name = 'PURGE_OLD_DAYS' AND owner_uid = '$owner_uid'");
 264
 265                                 if (db_num_rows($tmp_result) != 0) {
 266                                         $purge_interval = db_fetch_result($tmp_result, 0, "value");
 267                                 }
 268                         }
 269
 270                         if ($do_output) {
 271 //                              print "Feed $feed_id: purge interval = $purge_interval\n";
 272                         }
 273
 274                         if ($purge_interval > 0 || FORCE_ARTICLE_PURGE) {
 275                                 purge_feed($link, $feed_id, $purge_interval, $do_output);
 276                         }
 277                 }
 278
 279                 purge_orphans($link, $do_output);
 280
 281         } // function global_purge_old_posts */
 282
 283         function feed_purge_interval($link, $feed_id) {
 284
 285                 $result = db_query($link, "SELECT purge_interval, owner_uid FROM ttrss_feeds
 286                         WHERE id = '$feed_id'");
 287
 288                 if (db_num_rows($result) == 1) {
 289                         $purge_interval = db_fetch_result($result, 0, "purge_interval");
 290                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 291
 292                         if ($purge_interval == 0) $purge_interval = get_pref($link,
 293                                 'PURGE_OLD_DAYS', $owner_uid);
 294
 295                         return $purge_interval;
 296
 297                 } else {
 298                         return -1;
 299                 }
 300         }
 301
 302         function purge_old_posts($link) {
 303
 304                 $user_id = $_SESSION["uid"];
 305
 306                 $result = db_query($link, "SELECT id,purge_interval FROM ttrss_feeds
 307                         WHERE owner_uid = '$user_id'");
 308
 309                 while ($line = db_fetch_assoc($result)) {
 310
 311                         $feed_id = $line["id"];
 312                         $purge_interval = $line["purge_interval"];
 313
 314                         if ($purge_interval == 0) $purge_interval = get_pref($link, 'PURGE_OLD_DAYS');
 315
 316                         if ($purge_interval > 0) {
 317                                 purge_feed($link, $feed_id, $purge_interval);
 318                         }
 319                 }
 320
 321                 purge_orphans($link);
 322         }
 323
 324         function purge_orphans($link, $do_output = false) {
 325
 326                 // purge orphaned posts in main content table
 327                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
 328                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
 329
 330                 if ($do_output) {
 331                         $rows = db_affected_rows($link, $result);
 332                         _debug("Purged $rows orphaned posts.");
 333                 }
 334         }
 335
 336         function get_feed_update_interval($link, $feed_id) {
 337                 $result = db_query($link, "SELECT owner_uid, update_interval FROM
 338                         ttrss_feeds WHERE id = '$feed_id'");
 339
 340                 if (db_num_rows($result) == 1) {
 341                         $update_interval = db_fetch_result($result, 0, "update_interval");
 342                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 343
 344                         if ($update_interval != 0) {
 345                                 return $update_interval;
 346                         } else {
 347                                 return get_pref($link, 'DEFAULT_UPDATE_INTERVAL', $owner_uid, false);
 348                         }
 349
 350                 } else {
 351                         return -1;
 352                 }
 353         }
 354
 355         function fetch_file_contents($url, $type) {
 356                 if (USE_CURL_FOR_ICONS) {
 357                         $ch = curl_init($url);
 358
 359                         curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 15);
 360                         curl_setopt($ch, CURLOPT_TIMEOUT, 45);
 361                         curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 362                         curl_setopt($ch, CURLOPT_MAXREDIRS, 20);
 363                         curl_setopt($ch, CURLOPT_BINARYTRANSFER, true);
 364                         curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
 365
 366                         $contents = curl_exec($ch);
 367                         if ($contents === false) {
 368                                 curl_close($ch);
 369                                 return false;
 370                         }
 371
 372                         $content_type = curl_getinfo($ch, CURLINFO_CONTENT_TYPE);
 373                         curl_close($ch);
 374
 375                         if ($type && strpos($content_type, "$type") === false) {
 376                                 return false;
 377                         }
 378
 379                         return $contents;
 380                 } else {
 381                         return file_get_contents($url);
 382                 }
 383
 384         }
 385
 386         /**
 387          * Try to determine the favicon URL for a feed.
 388          * adapted from wordpress favicon plugin by Jeff Minard (http://thecodepro.com/)
 389          * http://dev.wp-plugins.org/file/favatars/trunk/favatars.php
 390          *
 391          * @param string $url A feed or page URL
 392          * @access public
 393          * @return mixed The favicon URL, or false if none was found.
 394          */
 395         function get_favicon_url($url) {
 396
 397                 if ($html = @fetch_file_contents($url)) {
 398
 399                         if ( preg_match('/<link[^>]+rel="(?:shortcut )?icon"[^>]+?href="([^"]+?)"/si', $html, $matches)) {
 400                                 // Attempt to grab a favicon link from their webpage url
 401                                 $linkUrl = html_entity_decode($matches[1]);
 402
 403                                 if (substr($linkUrl, 0, 1) == '/') {
 404                                         $urlParts = parse_url($url);
 405                                         $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].$linkUrl;
 406                                 } else if (substr($linkUrl, 0, 7) == 'http://') {
 407                                         $faviconURL = $linkUrl;
 408                                 } else {
 409                                         $pos = strrpos($url, "/");
 410                                         // no "/" in url or "/" is part of "://"
 411                                         if ($pos === false || $pos == (strpos($url, "://")+2)) {
 412                                                 $faviconURL = $url.'/'.$linkUrl;
 413                                         } else {
 414                                                 $faviconURL = substr($url, 0, $pos+1).$linkUrl;
 415                                         }
 416                                 }
 417
 418                         } else {
 419                                 // If unsuccessful, attempt to "guess" the favicon location
 420                                 $urlParts = parse_url($url);
 421                                 $faviconURL = $urlParts['scheme'].'://'.$urlParts['host'].'/favicon.ico';
 422                         }
 423                 }
 424
 425                 // Run a test to see if what we have attempted to get actually exists.
 426                 if(USE_CURL_FOR_ICONS || url_validate($faviconURL)) {
 427                         return $faviconURL;
 428                 } else {
 429                         return false;
 430                 }
 431         } // function get_favicon_url
 432
 433         /**
 434          * Check if a link is a valid and working URL.
 435          *
 436          * @param mixed $link A URL to check
 437          * @access public
 438          * @return boolean True if the URL is valid, false otherwise.
 439          */
 440         function url_validate($link) {
 441
 442                 $url_parts = @parse_url($link);
 443
 444                 if ( empty( $url_parts["host"] ) )
 445                                 return false;
 446
 447                 if ( !empty( $url_parts["path"] ) ) {
 448                                 $documentpath = $url_parts["path"];
 449                 } else {
 450                                 $documentpath = "/";
 451                 }
 452
 453                 if ( !empty( $url_parts["query"] ) )
 454                                 $documentpath .= "?" . $url_parts["query"];
 455
 456                 $host = $url_parts["host"];
 457                 $port = $url_parts["port"];
 458
 459                 if ( empty($port) )
 460                                 $port = "80";
 461
 462                 $socket = @fsockopen( $host, $port, $errno, $errstr, 30 );
 463
 464                 if ( !$socket )
 465                                 return false;
 466
 467                 fwrite ($socket, "HEAD ".$documentpath." HTTP/1.0\r\nHost: $host\r\n\r\n");
 468
 469                 $http_response = fgets( $socket, 22 );
 470
 471                 $responses = "/(200 OK)|(30[123])/";
 472                 if ( preg_match($responses, $http_response) ) {
 473                                 fclose($socket);
 474                                 return true;
 475                 } else {
 476                                 return false;
 477                 }
 478
 479         } // function url_validate
 480
 481         function check_feed_favicon($site_url, $feed, $link) {
 482                 $favicon_url = get_favicon_url($site_url);
 483
 484 #               print "FAVICON [$site_url]: $favicon_url\n";
 485
 486                 error_reporting(0);
 487
 488                 $icon_file = ICONS_DIR . "/$feed.ico";
 489
 490                 if ($favicon_url && !file_exists($icon_file)) {
 491                         $contents = fetch_file_contents($favicon_url, "image");
 492
 493                         if ($contents) {
 494                                 $fp = fopen($icon_file, "w");
 495
 496                                 if ($fp) {
 497                                         fwrite($fp, $contents);
 498                                         fclose($fp);
 499                                         chmod($icon_file, 0644);
 500                                 }
 501                         }
 502                 }
 503
 504                 error_reporting(DEFAULT_ERROR_LEVEL);
 505
 506         }
 507
 508         function update_rss_feed($link, $feed, $ignore_daemon = false) {
 509
 510                 global $memcache;
 511
 512                 /* Update all feeds with the same URL to utilize memcache */
 513
 514                 if ($memcache) {
 515                         $result = db_query($link, "SELECT f1.id
 516                                 FROM ttrss_feeds AS f1, ttrss_feeds AS f2
 517                                 WHERE   f2.feed_url = f1.feed_url AND f2.id = '$feed'");
 518
 519                         while ($line = db_fetch_assoc($result)) {
 520                                 update_rss_feed_real($link, $line["id"], $ignore_daemon);
 521                         }
 522                 } else {
 523                         update_rss_feed_real($link, $feed, $ignore_daemon);
 524                 }
 525         }
 526
 527         function update_rss_feed_real($link, $feed, $ignore_daemon = false) {
 528
 529                 global $memcache;
 530
 531                 if (!$_REQUEST["daemon"] && !$ignore_daemon) {
 532                         return false;
 533                 }
 534
 535                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 536                         _debug("update_rss_feed: start");
 537                 }
 538
 539                 if (!$ignore_daemon) {
 540
 541                         if (DB_TYPE == "pgsql") {
 542                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
 543                                 } else {
 544                                         $updstart_thresh_qpart = "(ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
 545                                 }
 546
 547                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 548                                 auth_pass,cache_images,update_method
 549                                 FROM ttrss_feeds WHERE id = '$feed' AND $updstart_thresh_qpart");
 550
 551                 } else {
 552
 553                         $result = db_query($link, "SELECT id,update_interval,auth_login,
 554                                 feed_url,auth_pass,cache_images,update_method,last_updated
 555                                 FROM ttrss_feeds WHERE id = '$feed'");
 556
 557                 }
 558
 559                 if (db_num_rows($result) == 0) {
 560                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 561                                 _debug("update_rss_feed: feed $feed NOT FOUND/SKIPPED");
 562                         }
 563                         return false;
 564                 }
 565
 566                 $update_method = db_fetch_result($result, 0, "update_method");
 567                 $last_updated = db_fetch_result($result, 0, "last_updated");
 568
 569                 db_query($link, "UPDATE ttrss_feeds SET last_update_started = NOW()
 570                         WHERE id = '$feed'");
 571
 572                 $auth_login = db_fetch_result($result, 0, "auth_login");
 573                 $auth_pass = db_fetch_result($result, 0, "auth_pass");
 574
 575                 if (DEFAULT_UPDATE_METHOD == "1") {
 576                         $use_simplepie = $update_method != 1;
 577                 } else {
 578                         $use_simplepie = $update_method == 2;
 579                 }
 580
 581                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 582                         _debug("use simplepie: $use_simplepie (feed setting: $update_method)\n");
 583                 }
 584
 585                 if (!$use_simplepie) {
 586                         $auth_login = urlencode($auth_login);
 587                         $auth_pass = urlencode($auth_pass);
 588                 }
 589
 590                 $update_interval = db_fetch_result($result, 0, "update_interval");
 591                 $cache_images = sql_bool_to_bool(db_fetch_result($result, 0, "cache_images"));
 592                 $fetch_url = db_fetch_result($result, 0, "feed_url");
 593
 594                 if ($update_interval < 0) { return; }
 595
 596                 $feed = db_escape_string($feed);
 597
 598                 if ($auth_login && $auth_pass) {
 599                         $url_parts = array();
 600                         preg_match("/(^[^:]*):\/\/(.*)/", $fetch_url, $url_parts);
 601
 602                         if ($url_parts[1] && $url_parts[2]) {
 603                                 $fetch_url = $url_parts[1] . "://$auth_login:$auth_pass@" . $url_parts[2];
 604                         }
 605
 606                 }
 607
 608                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 609                         _debug("update_rss_feed: fetching [$fetch_url]...");
 610                 }
 611
 612                 if (!defined('DAEMON_EXTENDED_DEBUG') && !$_REQUEST['xdebug']) {
 613                         error_reporting(0);
 614                 }
 615
 616                 $obj_id = md5("FDATA:$use_simplepie:$fetch_url");
 617
 618                 if ($memcache && $obj = $memcache->get($obj_id)) {
 619
 620                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 621                                 _debug("update_rss_feed: data found in memcache.");
 622                         }
 623
 624                         $rss = $obj;
 625
 626                 } else {
 627
 628                         if (!$use_simplepie) {
 629                                 $rss = fetch_rss($fetch_url);
 630                         } else {
 631                                 if (!is_dir(SIMPLEPIE_CACHE_DIR)) {
 632                                         mkdir(SIMPLEPIE_CACHE_DIR);
 633                                 }
 634
 635                                 $rss = new SimplePie();
 636                                 $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
 637         #                       $rss->set_timeout(10);
 638                                 $rss->set_feed_url($fetch_url);
 639                                 $rss->set_output_encoding('UTF-8');
 640
 641                                 if (SIMPLEPIE_CACHE_IMAGES && $cache_images) {
 642                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 643                                                 _debug("enabling image cache");
 644                                         }
 645
 646                                         $rss->set_image_handler('./image.php', 'i');
 647                                 }
 648
 649                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 650                                         _debug("feed update interval (sec): " .
 651                                                 get_feed_update_interval($link, $feed)*60);
 652                                 }
 653
 654                                 if (is_dir(SIMPLEPIE_CACHE_DIR)) {
 655                                         $rss->set_cache_location(SIMPLEPIE_CACHE_DIR);
 656                                         $rss->set_cache_duration(get_feed_update_interval($link, $feed) * 60);
 657                                 }
 658
 659                                 $rss->init();
 660                         }
 661
 662                         if ($memcache && $rss) $memcache->add($obj_id, $rss, 0, 300);
 663                 }
 664
 665 //              print_r($rss);
 666
 667                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 668                         _debug("update_rss_feed: fetch done, parsing...");
 669                 } else {
 670                         error_reporting (DEFAULT_ERROR_LEVEL);
 671                 }
 672
 673                 $feed = db_escape_string($feed);
 674
 675                 if ($use_simplepie) {
 676                         $fetch_ok = !$rss->error();
 677                 } else {
 678                         $fetch_ok = !!$rss;
 679                 }
 680
 681                 if ($fetch_ok) {
 682
 683                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 684                                 _debug("update_rss_feed: processing feed data...");
 685                         }
 686
 687 //                      db_query($link, "BEGIN");
 688
 689                         $result = db_query($link, "SELECT title,icon_url,site_url,owner_uid
 690                                 FROM ttrss_feeds WHERE id = '$feed'");
 691
 692                         $registered_title = db_fetch_result($result, 0, "title");
 693                         $orig_icon_url = db_fetch_result($result, 0, "icon_url");
 694                         $orig_site_url = db_fetch_result($result, 0, "site_url");
 695
 696                         $owner_uid = db_fetch_result($result, 0, "owner_uid");
 697
 698                         if ($use_simplepie) {
 699                                 $site_url = $rss->get_link();
 700                         } else {
 701                                 $site_url = $rss->channel["link"];
 702                         }
 703
 704                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 705                                 _debug("update_rss_feed: checking favicon...");
 706                         }
 707
 708                         check_feed_favicon($site_url, $feed, $link);
 709
 710                         if (!$registered_title || $registered_title == "[Unknown]") {
 711
 712                                 if ($use_simplepie) {
 713                                         $feed_title = db_escape_string($rss->get_title());
 714                                 } else {
 715                                         $feed_title = db_escape_string($rss->channel["title"]);
 716                                 }
 717
 718                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 719                                         _debug("update_rss_feed: registering title: $feed_title");
 720                                 }
 721
 722                                 db_query($link, "UPDATE ttrss_feeds SET
 723                                         title = '$feed_title' WHERE id = '$feed'");
 724                         }
 725
 726                         // weird, weird Magpie
 727                         if (!$use_simplepie) {
 728                                 if (!$site_url) $site_url = db_escape_string($rss->channel["link_"]);
 729                         }
 730
 731                         if ($site_url && $orig_site_url != db_escape_string($site_url)) {
 732                                 db_query($link, "UPDATE ttrss_feeds SET
 733                                         site_url = '$site_url' WHERE id = '$feed'");
 734                         }
 735
 736 //                      print "I: " . $rss->channel["image"]["url"];
 737
 738                         if (!$use_simplepie) {
 739                                 $icon_url = $rss->image["url"];
 740                         } else {
 741                                 $icon_url = $rss->get_image_url();
 742                         }
 743
 744                         if ($icon_url && !$orig_icon_url != db_escape_string($icon_url)) {
 745                                 $icon_url = db_escape_string($icon_url);
 746                                 db_query($link, "UPDATE ttrss_feeds SET icon_url = '$icon_url' WHERE id = '$feed'");
 747                         }
 748
 749                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 750                                 _debug("update_rss_feed: loading filters...");
 751                         }
 752
 753                         $filters = load_filters($link, $feed, $owner_uid);
 754
 755                         if ($use_simplepie) {
 756                                 $iterator = $rss->get_items();
 757                         } else {
 758                                 $iterator = $rss->items;
 759                                 if (!$iterator || !is_array($iterator)) $iterator = $rss->entries;
 760                                 if (!$iterator || !is_array($iterator)) $iterator = $rss;
 761                         }
 762
 763                         if (!is_array($iterator)) {
 764                                 /* db_query($link, "UPDATE ttrss_feeds
 765                                         SET last_error = 'Parse error: can\'t find any articles.'
 766                                         WHERE id = '$feed'"); */
 767
 768                                 // clear any errors and mark feed as updated if fetched okay
 769                                 // even if it's blank
 770
 771                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 772                                         _debug("update_rss_feed: entry iterator is not an array, no articles?");
 773                                 }
 774
 775                                 db_query($link, "UPDATE ttrss_feeds
 776                                         SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
 777
 778                                 return; // no articles
 779                         }
 780
 781                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 782                                 _debug("update_rss_feed: processing articles...");
 783                         }
 784
 785                         foreach ($iterator as $item) {
 786
 787                                 if ($_REQUEST['xdebug'] == 2) {
 788                                         print_r($item);
 789                                 }
 790
 791                                 if ($use_simplepie) {
 792                                         $entry_guid = $item->get_id();
 793                                         if (!$entry_guid) $entry_guid = $item->get_link();
 794                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item->get_title());
 795
 796                                 } else {
 797
 798                                         $entry_guid = $item["id"];
 799
 800                                         if (!$entry_guid) $entry_guid = $item["guid"];
 801                                         if (!$entry_guid) $entry_guid = $item["link"];
 802                                         if (!$entry_guid) $entry_guid = make_guid_from_title($item["title"]);
 803                                 }
 804
 805                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 806                                         _debug("update_rss_feed: guid $entry_guid");
 807                                 }
 808
 809                                 if (!$entry_guid) continue;
 810
 811                                 $entry_timestamp = "";
 812
 813                                 if ($use_simplepie) {
 814                                         $entry_timestamp = strtotime($item->get_date());
 815                                 } else {
 816                                         $rss_2_date = $item['pubdate'];
 817                                         $rss_1_date = $item['dc']['date'];
 818                                         $atom_date = $item['issued'];
 819                                         if (!$atom_date) $atom_date = $item['updated'];
 820
 821                                         if ($atom_date != "") $entry_timestamp = parse_w3cdtf($atom_date);
 822                                         if ($rss_1_date != "") $entry_timestamp = parse_w3cdtf($rss_1_date);
 823                                         if ($rss_2_date != "") $entry_timestamp = strtotime($rss_2_date);
 824
 825                                 }
 826
 827                                 if ($entry_timestamp == "" || $entry_timestamp == -1 || !$entry_timestamp) {
 828                                         $entry_timestamp = time();
 829                                         $no_orig_date = 'true';
 830                                 } else {
 831                                         $no_orig_date = 'false';
 832                                 }
 833
 834                                 $entry_timestamp_fmt = strftime("%Y/%m/%d %H:%M:%S", $entry_timestamp);
 835
 836                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 837                                         _debug("update_rss_feed: date $entry_timestamp [$entry_timestamp_fmt]");
 838                                 }
 839
 840                                 if ($use_simplepie) {
 841                                         $entry_title = $item->get_title();
 842                                 } else {
 843                                         $entry_title = trim(strip_tags($item["title"]));
 844                                 }
 845
 846                                 if ($use_simplepie) {
 847                                         $entry_link = $item->get_link();
 848                                 } else {
 849                                         // strange Magpie workaround
 850                                         $entry_link = $item["link_"];
 851                                         if (!$entry_link) $entry_link = $item["link"];
 852                                 }
 853
 854                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 855                                         _debug("update_rss_feed: title $entry_title");
 856                                 }
 857
 858                                 if (!$entry_title) $entry_title = date("Y-m-d H:i:s", $entry_timestamp);;
 859
 860                                 $entry_link = strip_tags($entry_link);
 861
 862                                 if ($use_simplepie) {
 863                                         $entry_content = $item->get_content();
 864                                         if (!$entry_content) $entry_content = $item->get_description();
 865                                 } else {
 866                                         $entry_content = $item["content:escaped"];
 867
 868                                         if (!$entry_content) $entry_content = $item["content:encoded"];
 869                                         if (!$entry_content) $entry_content = $item["content"]["encoded"];
 870                                         if (!$entry_content) $entry_content = $item["content"];
 871
 872                                         // Magpie bugs are getting ridiculous
 873                                         if (trim($entry_content) == "Array") $entry_content = false;
 874
 875                                         if (!$entry_content) $entry_content = $item["atom_content"];
 876                                         if (!$entry_content) $entry_content = $item["summary"];
 877
 878                                         if (!$entry_content ||
 879                                                 strlen($entry_content) < strlen($item["description"])) {
 880                                                         $entry_content = $item["description"];
 881                                         };
 882
 883                                         // WTF
 884                                         if (is_array($entry_content)) {
 885                                                 $entry_content = $entry_content["encoded"];
 886                                                 if (!$entry_content) $entry_content = $entry_content["escaped"];
 887                                         }
 888                                 }
 889
 890                                 if ($_REQUEST["xdebug"] == 2) {
 891                                         print "update_rss_feed: content: ";
 892                                         print_r(htmlspecialchars($entry_content));
 893                                 }
 894
 895                                 $entry_content_unescaped = $entry_content;
 896
 897                                 if ($use_simplepie) {
 898                                         $entry_comments = strip_tags($item->data["comments"]);
 899                                         if ($item->get_author()) {
 900                                                 $entry_author_item = $item->get_author();
 901                                                 $entry_author = $entry_author_item->get_name();
 902                                                 if (!$entry_author) $entry_author = $entry_author_item->get_email();
 903
 904                                                 $entry_author = db_escape_string($entry_author);
 905                                         }
 906                                 } else {
 907                                         $entry_comments = strip_tags($item["comments"]);
 908
 909                                         $entry_author = db_escape_string(strip_tags($item['dc']['creator']));
 910
 911                                         if ($item['author']) {
 912
 913                                                 if (is_array($item['author'])) {
 914
 915                                                         if (!$entry_author) {
 916                                                                 $entry_author = db_escape_string(strip_tags($item['author']['name']));
 917                                                         }
 918
 919                                                         if (!$entry_author) {
 920                                                                 $entry_author = db_escape_string(strip_tags($item['author']['email']));
 921                                                         }
 922                                                 }
 923
 924                                                 if (!$entry_author) {
 925                                                         $entry_author = db_escape_string(strip_tags($item['author']));
 926                                                 }
 927                                         }
 928                                 }
 929
 930                                 if (preg_match('/^[\t\n\r ]*$/', $entry_author)) $entry_author = '';
 931
 932                                 $entry_guid = db_escape_string(strip_tags($entry_guid));
 933                                 $entry_guid = mb_substr($entry_guid, 0, 250);
 934
 935                                 $result = db_query($link, "SELECT id FROM       ttrss_entries
 936                                         WHERE guid = '$entry_guid'");
 937
 938                                 $entry_content = db_escape_string($entry_content);
 939
 940                                 $content_hash = "SHA1:" . sha1(strip_tags($entry_content));
 941
 942                                 $entry_title = db_escape_string($entry_title);
 943                                 $entry_link = db_escape_string($entry_link);
 944                                 $entry_comments = mb_substr(db_escape_string($entry_comments), 0, 250);
 945                                 $entry_author = mb_substr($entry_author, 0, 250);
 946
 947                                 if ($use_simplepie) {
 948                                         $num_comments = 0; #FIXME#
 949                                 } else {
 950                                         $num_comments = db_escape_string($item["slash"]["comments"]);
 951                                 }
 952
 953                                 if (!$num_comments) $num_comments = 0;
 954
 955                                 // parse <category> entries into tags
 956
 957                                 if ($use_simplepie) {
 958
 959                                         $additional_tags = array();
 960                                         $additional_tags_src = $item->get_categories();
 961
 962                                         if (is_array($additional_tags_src)) {
 963                                                 foreach ($additional_tags_src as $tobj) {
 964                                                         array_push($additional_tags, $tobj->get_term());
 965                                                 }
 966                                         }
 967
 968                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
 969                                                 _debug("update_rss_feed: category tags:");
 970                                                 print_r($additional_tags);
 971                                         }
 972
 973                                 } else {
 974
 975                                         $t_ctr = $item['category#'];
 976
 977                                         $additional_tags = false;
 978
 979                                         if ($t_ctr == 0) {
 980                                                 $additional_tags = false;
 981                                         } else if ($t_ctr > 0) {
 982                                                 $additional_tags = array($item['category']);
 983
 984                                                 if ($item['category@term']) {
 985                                                         array_push($additional_tags, $item['category@term']);
 986                                                 }
 987
 988                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
 989                                                         if ($item["category#$i"]) {
 990                                                                 array_push($additional_tags, $item["category#$i"]);
 991                                                         }
 992
 993                                                         if ($item["category#$i@term"]) {
 994                                                                 array_push($additional_tags, $item["category#$i@term"]);
 995                                                         }
 996                                                 }
 997                                         }
 998
 999                                         // parse <dc:subject> elements
1000
1001                                         $t_ctr = $item['dc']['subject#'];
1002
1003                                         if ($t_ctr > 0) {
1004                                                 $additional_tags = array($item['dc']['subject']);
1005
1006                                                 for ($i = 0; $i <= $t_ctr; $i++ ) {
1007                                                         if ($item['dc']["subject#$i"]) {
1008                                                                 array_push($additional_tags, $item['dc']["subject#$i"]);
1009                                                         }
1010                                                 }
1011                                         }
1012                                 }
1013
1014                                 // enclosures
1015
1016                                 $enclosures = array();
1017
1018                                 if ($use_simplepie) {
1019                                         $encs = $item->get_enclosures();
1020
1021                                         if (is_array($encs)) {
1022                                                 foreach ($encs as $e) {
1023                                                         $e_item = array(
1024                                                                 $e->link, $e->type, $e->length);
1025
1026                                                         array_push($enclosures, $e_item);
1027                                                 }
1028                                         }
1029
1030                                 } else {
1031                                         // <enclosure>
1032
1033                                         $e_ctr = $item['enclosure#'];
1034
1035                                         if ($e_ctr > 0) {
1036                                                 $e_item = array($item['enclosure@url'],
1037                                                         $item['enclosure@type'],
1038                                                         $item['enclosure@length']);
1039
1040                                                 array_push($enclosures, $e_item);
1041
1042                                                 for ($i = 0; $i <= $e_ctr; $i++ ) {
1043
1044                                                         if ($item["enclosure#$i@url"]) {
1045                                                                 $e_item = array($item["enclosure#$i@url"],
1046                                                                         $item["enclosure#$i@type"],
1047                                                                         $item["enclosure#$i@length"]);
1048                                                                 array_push($enclosures, $e_item);
1049                                                         }
1050                                                 }
1051                                         }
1052
1053                                         // <media:content>
1054                                         // can there be many of those? yes -fox
1055
1056                                         $m_ctr = $item['media']['content#'];
1057
1058                                         if ($m_ctr > 0) {
1059                                                 $e_item = array($item['media']['content@url'],
1060                                                         $item['media']['content@medium'],
1061                                                         $item['media']['content@length']);
1062
1063                                                 array_push($enclosures, $e_item);
1064
1065                                                 for ($i = 0; $i <= $m_ctr; $i++ ) {
1066
1067                                                         if ($item["media"]["content#$i@url"]) {
1068                                                                 $e_item = array($item["media"]["content#$i@url"],
1069                                                                         $item["media"]["content#$i@medium"],
1070                                                                         $item["media"]["content#$i@length"]);
1071                                                                 array_push($enclosures, $e_item);
1072                                                         }
1073                                                 }
1074
1075                                         }
1076                                 }
1077
1078                                 # sanitize content
1079
1080                                 $entry_content = sanitize_article_content($entry_content);
1081                                 $entry_title = sanitize_article_content($entry_title);
1082
1083                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1084                                         _debug("update_rss_feed: done collecting data [TITLE:$entry_title]");
1085                                 }
1086
1087                                 db_query($link, "BEGIN");
1088
1089                                 if (db_num_rows($result) == 0) {
1090
1091                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1092                                                 _debug("update_rss_feed: base guid not found");
1093                                         }
1094
1095                                         // base post entry does not exist, create it
1096
1097                                         $result = db_query($link,
1098                                                 "INSERT INTO ttrss_entries
1099                                                         (title,
1100                                                         guid,
1101                                                         link,
1102                                                         updated,
1103                                                         content,
1104                                                         content_hash,
1105                                                         no_orig_date,
1106                                                         date_updated,
1107                                                         date_entered,
1108                                                         comments,
1109                                                         num_comments,
1110                                                         author)
1111                                                 VALUES
1112                                                         ('$entry_title',
1113                                                         '$entry_guid',
1114                                                         '$entry_link',
1115                                                         '$entry_timestamp_fmt',
1116                                                         '$entry_content',
1117                                                         '$content_hash',
1118                                                         $no_orig_date,
1119                                                         NOW(),
1120                                                         NOW(),
1121                                                         '$entry_comments',
1122                                                         '$num_comments',
1123                                                         '$entry_author')");
1124                                 } else {
1125                                         // we keep encountering the entry in feeds, so we need to
1126                                         // update date_updated column so that we don't get horrible
1127                                         // dupes when the entry gets purged and reinserted again e.g.
1128                                         // in the case of SLOW SLOW OMG SLOW updating feeds
1129
1130                                         $base_entry_id = db_fetch_result($result, 0, "id");
1131
1132                                         db_query($link, "UPDATE ttrss_entries SET date_updated = NOW()
1133                                                 WHERE id = '$base_entry_id'");
1134                                 }
1135
1136                                 // now it should exist, if not - bad luck then
1137
1138                                 $result = db_query($link, "SELECT
1139                                                 id,content_hash,no_orig_date,title,
1140                                                 ".SUBSTRING_FOR_DATE."(date_updated,1,19) as date_updated,
1141                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated,
1142                                                 num_comments
1143                                         FROM
1144                                                 ttrss_entries
1145                                         WHERE guid = '$entry_guid'");
1146
1147                                 $entry_ref_id = 0;
1148                                 $entry_int_id = 0;
1149
1150                                 if (db_num_rows($result) == 1) {
1151
1152                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1153                                                 _debug("update_rss_feed: base guid found, checking for user record");
1154                                         }
1155
1156                                         // this will be used below in update handler
1157                                         $orig_content_hash = db_fetch_result($result, 0, "content_hash");
1158                                         $orig_title = db_fetch_result($result, 0, "title");
1159                                         $orig_num_comments = db_fetch_result($result, 0, "num_comments");
1160                                         $orig_date_updated = strtotime(db_fetch_result($result,
1161                                                 0, "date_updated"));
1162
1163                                         $ref_id = db_fetch_result($result, 0, "id");
1164                                         $entry_ref_id = $ref_id;
1165
1166                                         // check for user post link to main table
1167
1168                                         // do we allow duplicate posts with same GUID in different feeds?
1169                                         if (get_pref($link, "ALLOW_DUPLICATE_POSTS", $owner_uid, false)) {
1170                                                 $dupcheck_qpart = "AND (feed_id = '$feed' OR feed_id IS NULL)";
1171                                         } else {
1172                                                 $dupcheck_qpart = "";
1173                                         }
1174
1175 //                                      error_reporting(0);
1176
1177                                         $article_filters = get_article_filters($filters, $entry_title,
1178                                                         $entry_content, $entry_link, $entry_timestamp, $entry_author);
1179
1180                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1181                                                 _debug("update_rss_feed: article filters: ");
1182                                                 if (count($article_filters) != 0) {
1183                                                         print_r($article_filters);
1184                                                 }
1185                                         }
1186
1187                                         if (find_article_filter($article_filters, "filter")) {
1188                                                 db_query($link, "COMMIT"); // close transaction in progress
1189                                                 continue;
1190                                         }
1191
1192 //                                      error_reporting (DEFAULT_ERROR_LEVEL);
1193
1194                                         $score = calculate_article_score($article_filters);
1195
1196                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1197                                                 _debug("update_rss_feed: initial score: $score");
1198                                         }
1199
1200                                         $query = "SELECT ref_id, int_id FROM ttrss_user_entries WHERE
1201                                                         ref_id = '$ref_id' AND owner_uid = '$owner_uid'
1202                                                         $dupcheck_qpart";
1203
1204 //                                      if ($_REQUEST["xdebug"]) print "$query\n";
1205
1206                                         $result = db_query($link, $query);
1207
1208                                         // okay it doesn't exist - create user entry
1209                                         if (db_num_rows($result) == 0) {
1210
1211                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1212                                                         _debug("update_rss_feed: user record not found, creating...");
1213                                                 }
1214
1215                                                 if ($score >= -500 && !find_article_filter($article_filters, 'catchup')) {
1216                                                         $unread = 'true';
1217                                                         $last_read_qpart = 'NULL';
1218                                                 } else {
1219                                                         $unread = 'false';
1220                                                         $last_read_qpart = 'NOW()';
1221                                                 }
1222
1223                                                 if (find_article_filter($article_filters, 'mark') || $score > 1000) {
1224                                                         $marked = 'true';
1225                                                 } else {
1226                                                         $marked = 'false';
1227                                                 }
1228
1229                                                 if (find_article_filter($article_filters, 'publish')) {
1230                                                         $published = 'true';
1231                                                 } else {
1232                                                         $published = 'false';
1233                                                 }
1234
1235                                                 $result = db_query($link,
1236                                                         "INSERT INTO ttrss_user_entries
1237                                                                 (ref_id, owner_uid, feed_id, unread, last_read, marked,
1238                                                                         published, score)
1239                                                         VALUES ('$ref_id', '$owner_uid', '$feed', $unread,
1240                                                                 $last_read_qpart, $marked, $published, '$score')");
1241
1242                                                 $result = db_query($link,
1243                                                         "SELECT int_id FROM ttrss_user_entries WHERE
1244                                                                 ref_id = '$ref_id' AND owner_uid = '$owner_uid' AND
1245                                                                 feed_id = '$feed' LIMIT 1");
1246
1247                                                 if (db_num_rows($result) == 1) {
1248                                                         $entry_int_id = db_fetch_result($result, 0, "int_id");
1249                                                 }
1250                                         } else {
1251                                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1252                                                         _debug("update_rss_feed: user record FOUND");
1253                                                 }
1254
1255                                                 $entry_ref_id = db_fetch_result($result, 0, "ref_id");
1256                                                 $entry_int_id = db_fetch_result($result, 0, "int_id");
1257                                         }
1258
1259                                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1260                                                 _debug("update_rss_feed: RID: $entry_ref_id, IID: $entry_int_id");
1261                                         }
1262
1263                                         $post_needs_update = false;
1264
1265                                         if (get_pref($link, "UPDATE_POST_ON_CHECKSUM_CHANGE", $owner_uid, false) &&
1266                                                 ($content_hash != $orig_content_hash)) {
1267 //                                              print "<!-- [$entry_title] $content_hash vs $orig_content_hash -->";
1268                                                 $post_needs_update = true;
1269                                         }
1270
1271                                         if (db_escape_string($orig_title) != $entry_title) {
1272                                                 $post_needs_update = true;
1273                                         }
1274
1275                                         if ($orig_num_comments != $num_comments) {
1276                                                 $post_needs_update = true;
1277                                         }
1278
1279 //                                      this doesn't seem to be very reliable
1280 //
1281 //                                      if ($orig_timestamp != $entry_timestamp && !$orig_no_orig_date) {
1282 //                                              $post_needs_update = true;
1283 //                                      }
1284
1285                                         // if post needs update, update it and mark all user entries
1286                                         // linking to this post as updated
1287                                         if ($post_needs_update) {
1288
1289                                                 if (defined('DAEMON_EXTENDED_DEBUG')) {
1290                                                         _debug("update_rss_feed: post $entry_guid needs update...");
1291                                                 }
1292
1293 //                                              print "<!-- post $orig_title needs update : $post_needs_update -->";
1294
1295                                                 db_query($link, "UPDATE ttrss_entries
1296                                                         SET title = '$entry_title', content = '$entry_content',
1297                                                                 content_hash = '$content_hash',
1298                                                                 num_comments = '$num_comments'
1299                                                         WHERE id = '$ref_id'");
1300
1301                                                 if (get_pref($link, "MARK_UNREAD_ON_UPDATE", $owner_uid, false)) {
1302                                                         db_query($link, "UPDATE ttrss_user_entries
1303                                                                 SET last_read = null, unread = true WHERE ref_id = '$ref_id'");
1304                                                 } else {
1305                                                         db_query($link, "UPDATE ttrss_user_entries
1306                                                                 SET last_read = null WHERE ref_id = '$ref_id' AND unread = false");
1307                                                 }
1308
1309                                         }
1310                                 }
1311
1312                                 db_query($link, "COMMIT");
1313
1314                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1315                                         _debug("update_rss_feed: assigning labels...");
1316                                 }
1317
1318                                 assign_article_to_labels($link, $entry_ref_id, $article_filters,
1319                                         $owner_uid);
1320
1321                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1322                                         _debug("update_rss_feed: looking for enclosures...");
1323                                 }
1324
1325                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1326                                         print_r($enclosures);
1327                                 }
1328
1329                                 db_query($link, "BEGIN");
1330
1331                                 foreach ($enclosures as $enc) {
1332                                         $enc_url = db_escape_string($enc[0]);
1333                                         $enc_type = db_escape_string($enc[1]);
1334                                         $enc_dur = db_escape_string($enc[2]);
1335
1336                                         $result = db_query($link, "SELECT id FROM ttrss_enclosures
1337                                                 WHERE content_url = '$enc_url' AND post_id = '$entry_ref_id'");
1338
1339                                         if (db_num_rows($result) == 0) {
1340                                                 db_query($link, "INSERT INTO ttrss_enclosures
1341                                                         (content_url, content_type, title, duration, post_id) VALUES
1342                                                         ('$enc_url', '$enc_type', '', '$enc_dur', '$entry_ref_id')");
1343                                         }
1344                                 }
1345
1346                                 db_query($link, "COMMIT");
1347
1348                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1349                                         _debug("update_rss_feed: looking for tags...");
1350                                 }
1351
1352                                 /* taaaags */
1353                                 // <a href="..." rel="tag">Xorg</a>, //
1354
1355                                 $entry_tags = null;
1356
1357                                 preg_match_all("/<a.*?rel=['\"]tag['\"].*?>([^<]+)<\/a>/i",
1358                                         $entry_content_unescaped, $entry_tags);
1359
1360 /*                              print "<p><br/>$entry_title : $entry_content_unescaped<br>";
1361                                 print_r($entry_tags);
1362                                 print "<br/></p>"; */
1363
1364                                 $entry_tags = $entry_tags[1];
1365
1366                                 # check for manual tags
1367
1368                                 foreach ($article_filters as $f) {
1369                                         if ($f[0] == "tag") {
1370
1371                                                 $manual_tags = trim_array(split(",", $f[1]));
1372
1373                                                 foreach ($manual_tags as $tag) {
1374                                                         if (tag_is_valid($tag)) {
1375                                                                 array_push($entry_tags, $tag);
1376                                                         }
1377                                                 }
1378                                         }
1379                                 }
1380
1381                                 $boring_tags = trim_array(split(",", mb_strtolower(get_pref($link,
1382                                         'BLACKLISTED_TAGS', $owner_uid, ''), 'utf-8')));
1383
1384                                 if ($additional_tags && is_array($additional_tags)) {
1385                                         foreach ($additional_tags as $tag) {
1386                                                 if (tag_is_valid($tag) &&
1387                                                                 array_search($tag, $boring_tags) === FALSE) {
1388                                                         array_push($entry_tags, $tag);
1389                                                 }
1390                                         }
1391                                 }
1392
1393 //                              print "<p>TAGS: "; print_r($entry_tags); print "</p>";
1394
1395                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1396                                         print_r($entry_tags);
1397                                 }
1398
1399                                 if (count($entry_tags) > 0) {
1400
1401                                         db_query($link, "BEGIN");
1402
1403                                                 foreach ($entry_tags as $tag) {
1404
1405                                                         $tag = sanitize_tag($tag);
1406                                                         $tag = db_escape_string($tag);
1407
1408                                                         if (!tag_is_valid($tag)) continue;
1409
1410                                                         $result = db_query($link, "SELECT id FROM ttrss_tags
1411                                                                 WHERE tag_name = '$tag' AND post_int_id = '$entry_int_id' AND
1412                                                                 owner_uid = '$owner_uid' LIMIT 1");
1413
1414         //                                              print db_fetch_result($result, 0, "id");
1415
1416                                                         if ($result && db_num_rows($result) == 0) {
1417
1418                                                                 db_query($link, "INSERT INTO ttrss_tags
1419                                                                         (owner_uid,tag_name,post_int_id)
1420                                                                         VALUES ('$owner_uid','$tag', '$entry_int_id')");
1421                                                         }
1422                                                 }
1423
1424                                         db_query($link, "COMMIT");
1425                                 }
1426
1427                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1428                                         _debug("update_rss_feed: article processed");
1429                                 }
1430                         }
1431
1432                         if (!$last_updated) {
1433                                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1434                                         _debug("update_rss_feed: new feed, catching it up...");
1435                                 }
1436                                 catchup_feed($link, $feed, false, $owner_uid);
1437                         }
1438
1439                         purge_feed($link, $feed, 0);
1440
1441                         db_query($link, "UPDATE ttrss_feeds
1442                                 SET last_updated = NOW(), last_error = '' WHERE id = '$feed'");
1443
1444 //                      db_query($link, "COMMIT");
1445
1446                 } else {
1447
1448                         if ($use_simplepie) {
1449                                 $error_msg = mb_substr($rss->error(), 0, 250);
1450                         } else {
1451                                 $error_msg = mb_substr(magpie_error(), 0, 250);
1452                         }
1453
1454                         if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1455                                 _debug("update_rss_feed: error fetching feed: $error_msg");
1456                         }
1457
1458                         $error_msg = db_escape_string($error_msg);
1459
1460                         db_query($link,
1461                                 "UPDATE ttrss_feeds SET last_error = '$error_msg',
1462                                         last_updated = NOW() WHERE id = '$feed'");
1463                 }
1464
1465                 if ($use_simplepie) {
1466                         unset($rss);
1467                 }
1468
1469                 if (defined('DAEMON_EXTENDED_DEBUG') || $_REQUEST['xdebug']) {
1470                         _debug("update_rss_feed: done");
1471                 }
1472
1473         }
1474
1475         function print_select($id, $default, $values, $attributes = "") {
1476                 print "<select name=\"$id\" id=\"$id\" $attributes>";
1477                 foreach ($values as $v) {
1478                         if ($v == $default)
1479                                 $sel = " selected";
1480                          else
1481                                 $sel = "";
1482
1483                         print "<option$sel>$v</option>";
1484                 }
1485                 print "</select>";
1486         }
1487
1488         function print_select_hash($id, $default, $values, $attributes = "") {
1489                 print "<select name=\"$id\" id='$id' $attributes>";
1490                 foreach (array_keys($values) as $v) {
1491                         if ($v == $default)
1492                                 $sel = 'selected="selected"';
1493                          else
1494                                 $sel = "";
1495
1496                         print "<option $sel value=\"$v\">".$values[$v]."</option>";
1497                 }
1498
1499                 print "</select>";
1500         }
1501
1502         function get_article_filters($filters, $title, $content, $link, $timestamp, $author) {
1503                 $matches = array();
1504
1505                 if ($filters["title"]) {
1506                         foreach ($filters["title"] as $filter) {
1507                                 $reg_exp = $filter["reg_exp"];
1508                                 $inverse = $filter["inverse"];
1509                                 if ((!$inverse && preg_match("/$reg_exp/i", $title)) ||
1510                                                 ($inverse && !preg_match("/$reg_exp/i", $title))) {
1511
1512                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1513                                 }
1514                         }
1515                 }
1516
1517                 if ($filters["content"]) {
1518                         foreach ($filters["content"] as $filter) {
1519                                 $reg_exp = $filter["reg_exp"];
1520                                 $inverse = $filter["inverse"];
1521
1522                                 if ((!$inverse && preg_match("/$reg_exp/i", $content)) ||
1523                                                 ($inverse && !preg_match("/$reg_exp/i", $content))) {
1524
1525                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1526                                 }
1527                         }
1528                 }
1529
1530                 if ($filters["both"]) {
1531                         foreach ($filters["both"] as $filter) {
1532                                 $reg_exp = $filter["reg_exp"];
1533                                 $inverse = $filter["inverse"];
1534
1535                                 if ($inverse) {
1536                                         if (!preg_match("/$reg_exp/i", $title) && !preg_match("/$reg_exp/i", $content)) {
1537                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1538                                         }
1539                                 } else {
1540                                         if (preg_match("/$reg_exp/i", $title) || preg_match("/$reg_exp/i", $content)) {
1541                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1542                                         }
1543                                 }
1544                         }
1545                 }
1546
1547                 if ($filters["link"]) {
1548                         $reg_exp = $filter["reg_exp"];
1549                         foreach ($filters["link"] as $filter) {
1550                                 $reg_exp = $filter["reg_exp"];
1551                                 $inverse = $filter["inverse"];
1552
1553                                 if ((!$inverse && preg_match("/$reg_exp/i", $link)) ||
1554                                                 ($inverse && !preg_match("/$reg_exp/i", $link))) {
1555
1556                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1557                                 }
1558                         }
1559                 }
1560
1561                 if ($filters["date"]) {
1562                         $reg_exp = $filter["reg_exp"];
1563                         foreach ($filters["date"] as $filter) {
1564                                 $date_modifier = $filter["filter_param"];
1565                                 $inverse = $filter["inverse"];
1566                                 $check_timestamp = strtotime($filter["reg_exp"]);
1567
1568                                 # no-op when timestamp doesn't parse to prevent misfires
1569
1570                                 if ($check_timestamp) {
1571                                         $match_ok = false;
1572
1573                                         if ($date_modifier == "before" && $timestamp < $check_timestamp ||
1574                                                 $date_modifier == "after" && $timestamp > $check_timestamp) {
1575                                                         $match_ok = true;
1576                                         }
1577
1578                                         if ($inverse) $match_ok = !$match_ok;
1579
1580                                         if ($match_ok) {
1581                                                 array_push($matches, array($filter["action"], $filter["action_param"]));
1582                                         }
1583                                 }
1584                         }
1585                 }
1586
1587                 if ($filters["author"]) {
1588                         foreach ($filters["author"] as $filter) {
1589                                 $reg_exp = $filter["reg_exp"];
1590                                 $inverse = $filter["inverse"];
1591                                 if ((!$inverse && preg_match("/$reg_exp/i", $author)) ||
1592                                                 ($inverse && !preg_match("/$reg_exp/i", $author))) {
1593
1594                                         array_push($matches, array($filter["action"], $filter["action_param"]));
1595                                 }
1596                         }
1597                 }
1598
1599                 return $matches;
1600         }
1601
1602         function find_article_filter($filters, $filter_name) {
1603                 foreach ($filters as $f) {
1604                         if ($f[0] == $filter_name) {
1605                                 return $f;
1606                         };
1607                 }
1608                 return false;
1609         }
1610
1611         function calculate_article_score($filters) {
1612                 $score = 0;
1613
1614                 foreach ($filters as $f) {
1615                         if ($f[0] == "score") {
1616                                 $score += $f[1];
1617                         };
1618                 }
1619                 return $score;
1620         }
1621
1622         function assign_article_to_labels($link, $id, $filters, $owner_uid) {
1623                 foreach ($filters as $f) {
1624                         if ($f[0] == "label") {
1625                                 label_add_article($link, $id, $f[1], $owner_uid);
1626                         };
1627                 }
1628         }
1629
1630         function printFeedEntry($feed_id, $class, $feed_title, $unread, $icon_file, $link,
1631                 $rtl_content = false, $last_updated = false, $last_error = false,
1632                 $fg_content = false, $bg_content = false) {
1633
1634                 if (!$feed_title) $feed_title = getFeedTitle($link, $feed_id, false);
1635                 if (!$unread) $unread = getFeedUnread($link, $feed_id);
1636
1637                 if ($unread > 0) $class .= "Unread";
1638
1639                 if (!$icon_file) $icon_file = getFeedIcon($feed_id);
1640
1641                 if (strpos($icon_file, "images") !== false) {
1642                         $icon_file = theme_image($link, $icon_file);
1643                 }
1644
1645                 if (file_exists($icon_file) && filesize($icon_file) > 0) {
1646                                 $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"$icon_file\">";
1647                 } else {
1648                         $feed_icon = "<img id=\"FIMG-$feed_id\" src=\"images/blank_icon.gif\">";
1649                 }
1650
1651                 if ($rtl_content) {
1652                         $rtl_tag = "dir=\"rtl\"";
1653                 } else {
1654                         $rtl_tag = "dir=\"ltr\"";
1655                 }
1656
1657                 $error_notify_msg = "";
1658
1659                 if ($last_error) {
1660                         $link_title = "Error: $last_error ($last_updated)";
1661                         $error_notify_msg = "(Error)";
1662                 } else if ($last_updated) {
1663                         $link_title = "Updated: $last_updated";
1664                 }
1665
1666                 $feed = "<span class='feedlink' title=\"$link_title\" id=\"FEEDL-$feed_id\" href=\"#\"
1667                         onclick=\"viewfeed('$feed_id');\">$feed_title</span>";
1668
1669 /*              if ($feed_id < -10) {
1670                         $bg_color = "#00ccff";
1671                         $fg_color = "white";
1672                 }
1673
1674                 if ($fg_color || $bg_color) {
1675                         $color_str = "<div class='labelColorIndicator'
1676                                 style='color : $fg_color; background-color : $bg_color'>l</div>";
1677                 }
1678
1679                 print $color_str; */
1680
1681                 print "<li id=\"FEEDR-$feed_id\" class=\"$class\">";
1682                 print "$feed_icon";
1683                 print "<span $rtl_tag id=\"FEEDN-$feed_id\">$feed</span>";
1684
1685                 if ($unread != 0) {
1686                         $fctr_class = "class=\"feedCtrHasUnread\"";
1687                 } else {
1688                         $fctr_class = "class=\"feedCtrNoUnread\"";
1689                 }
1690
1691                 print " <span $rtl_tag $fctr_class id=\"FEEDCTR-$feed_id\">
1692                          (<span id=\"FEEDU-$feed_id\">$unread</span>)</span>";
1693
1694                 if (get_pref($link, "EXTENDED_FEEDLIST")) {
1695                         $total = getFeedArticles($link, $feed_id);
1696                         print "<div class=\"feedExtInfo\">
1697                                 <span id=\"FLUPD-$feed_id\">$last_updated ($total total) $error_notify_msg</span></div>";
1698                 }
1699
1700                 print "</li>";
1701
1702         }
1703
1704         function getmicrotime() {
1705                 list($usec, $sec) = explode(" ",microtime());
1706                 return ((float)$usec + (float)$sec);
1707         }
1708
1709         function print_radio($id, $default, $true_is, $values, $attributes = "") {
1710                 foreach ($values as $v) {
1711
1712                         if ($v == $default)
1713                                 $sel = "checked";
1714                          else
1715                                 $sel = "";
1716
1717                         if ($v == $true_is) {
1718                                 $sel .= " value=\"1\"";
1719                         } else {
1720                                 $sel .= " value=\"0\"";
1721                         }
1722
1723                         print "<input class=\"noborder\"
1724                                 type=\"radio\" $sel $attributes name=\"$id\">&nbsp;$v&nbsp;";
1725
1726                 }
1727         }
1728
1729         function initialize_user_prefs($link, $uid, $profile = false) {
1730
1731                 $uid = db_escape_string($uid);
1732
1733                 if (!$profile) {
1734                         $profile = "NULL";
1735                         $profile_qpart = "AND profile IS NULL";
1736                 } else {
1737                         $profile_qpart = "AND profile = '$profile'";
1738                 }
1739
1740                 if (get_schema_version($link) < 63) $profile_qpart = "";
1741
1742                 db_query($link, "BEGIN");
1743
1744                 $result = db_query($link, "SELECT pref_name,def_value FROM ttrss_prefs");
1745
1746                 $u_result = db_query($link, "SELECT pref_name
1747                         FROM ttrss_user_prefs WHERE owner_uid = '$uid' $profile_qpart");
1748
1749                 $active_prefs = array();
1750
1751                 while ($line = db_fetch_assoc($u_result)) {
1752                         array_push($active_prefs, $line["pref_name"]);
1753                 }
1754
1755                 while ($line = db_fetch_assoc($result)) {
1756                         if (array_search($line["pref_name"], $active_prefs) === FALSE) {
1757 //                              print "adding " . $line["pref_name"] . "<br>";
1758
1759                                 if (get_schema_version($link) < 63) {
1760                                         db_query($link, "INSERT INTO ttrss_user_prefs
1761                                                 (owner_uid,pref_name,value) VALUES
1762                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."')");
1763
1764                                 } else {
1765                                         db_query($link, "INSERT INTO ttrss_user_prefs
1766                                                 (owner_uid,pref_name,value, profile) VALUES
1767                                                 ('$uid', '".$line["pref_name"]."','".$line["def_value"]."', $profile)");
1768                                 }
1769
1770                         }
1771                 }
1772
1773                 db_query($link, "COMMIT");
1774
1775         }
1776
1777         function lookup_user_id($link, $user) {
1778
1779                 $result = db_query($link, "SELECT id FROM ttrss_users WHERE
1780                         login = '$login'");
1781
1782                 if (db_num_rows($result) == 1) {
1783                         return db_fetch_result($result, 0, "id");
1784                 } else {
1785                         return false;
1786                 }
1787         }
1788
1789         function http_authenticate_user($link) {
1790
1791 //              error_log("http_authenticate_user: ".$_SERVER["PHP_AUTH_USER"]."\n", 3, '/tmp/tt-rss.log');
1792
1793                 if (!$_SERVER["PHP_AUTH_USER"]) {
1794
1795                         header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1796                         header('HTTP/1.0 401 Unauthorized');
1797                         exit;
1798
1799                 } else {
1800                         $auth_result = authenticate_user($link,
1801                                 $_SERVER["PHP_AUTH_USER"], $_SERVER["PHP_AUTH_PW"]);
1802
1803                         if (!$auth_result) {
1804                                 header('WWW-Authenticate: Basic realm="Tiny Tiny RSS RSSGen"');
1805                                 header('HTTP/1.0 401 Unauthorized');
1806                                 exit;
1807                         }
1808                 }
1809
1810                 return true;
1811         }
1812
1813         function authenticate_user($link, $login, $password, $force_auth = false) {
1814
1815                 if (!SINGLE_USER_MODE) {
1816
1817                         $pwd_hash1 = encrypt_password($password);
1818                         $pwd_hash2 = encrypt_password($password, $login);
1819                         $login = db_escape_string($login);
1820
1821                         if (defined('ALLOW_REMOTE_USER_AUTH') && ALLOW_REMOTE_USER_AUTH
1822                                         && $_SERVER["REMOTE_USER"] && $login != "admin") {
1823
1824                                 $login = db_escape_string($_SERVER["REMOTE_USER"]);
1825
1826                                 $query = "SELECT id,login,access_level,pwd_hash
1827                     FROM ttrss_users WHERE
1828                                         login = '$login'";
1829
1830                         } else {
1831                                 $query = "SELECT id,login,access_level,pwd_hash
1832                     FROM ttrss_users WHERE
1833                                         login = '$login' AND (pwd_hash = '$pwd_hash1' OR
1834                                                 pwd_hash = '$pwd_hash2')";
1835                         }
1836
1837                         $result = db_query($link, $query);
1838
1839                         if (db_num_rows($result) == 1) {
1840                                 $_SESSION["uid"] = db_fetch_result($result, 0, "id");
1841                                 $_SESSION["name"] = db_fetch_result($result, 0, "login");
1842                                 $_SESSION["access_level"] = db_fetch_result($result, 0, "access_level");
1843
1844                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
1845                                         $_SESSION["uid"]);
1846
1847                                 $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1848                                 $_SESSION["pwd_hash"] = db_fetch_result($result, 0, "pwd_hash");
1849
1850                                 $_SESSION["last_version_check"] = time();
1851
1852                                 initialize_user_prefs($link, $_SESSION["uid"]);
1853
1854                                 return true;
1855                         }
1856
1857                         return false;
1858
1859                 } else {
1860
1861                         $_SESSION["uid"] = 1;
1862                         $_SESSION["name"] = "admin";
1863
1864                         $_SESSION["ip_address"] = $_SERVER["REMOTE_ADDR"];
1865
1866                         initialize_user_prefs($link, $_SESSION["uid"]);
1867
1868                         return true;
1869                 }
1870         }
1871
1872         function make_password($length = 8) {
1873
1874                 $password = "";
1875                 $possible = "0123456789abcdfghjkmnpqrstvwxyzABCDFGHJKMNPQRSTVWXYZ";
1876
1877         $i = 0;
1878
1879                 while ($i < $length) {
1880                         $char = substr($possible, mt_rand(0, strlen($possible)-1), 1);
1881
1882                         if (!strstr($password, $char)) {
1883                                 $password .= $char;
1884                                 $i++;
1885                         }
1886                 }
1887                 return $password;
1888         }
1889
1890         // this is called after user is created to initialize default feeds, labels
1891         // or whatever else
1892
1893         // user preferences are checked on every login, not here
1894
1895         function initialize_user($link, $uid) {
1896
1897 /*              db_query($link, "INSERT INTO ttrss_labels2 (owner_uid, caption)
1898                         VALUES ('$uid', 'All Articles')");
1899
1900                 db_query($link, "INSERT INTO ttrss_filters
1901                         (owner_uid, feed_id, filter_type, reg_exp, enabled,
1902                                 action_id, action_param, filter_param)
1903                         VALUES ('$uid', NULL, 1, '.', true, 7, 'All Articles', 'before')"); */
1904
1905                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1906                         values ('$uid', 'Tiny Tiny RSS: New Releases',
1907                         'http://tt-rss.org/releases.rss')");
1908
1909                 db_query($link, "insert into ttrss_feeds (owner_uid,title,feed_url)
1910                         values ('$uid', 'Tiny Tiny RSS: Forum',
1911                         'http://tt-rss.org/forum/rss.php')");
1912         }
1913
1914         function logout_user() {
1915                 session_destroy();
1916                 if (isset($_COOKIE[session_name()])) {
1917                    setcookie(session_name(), '', time()-42000, '/');
1918                 }
1919         }
1920
1921         function get_script_urlpath() {
1922                 return preg_replace('/\/[^\/]*$/', "", $_SERVER["REQUEST_URI"]);
1923         }
1924
1925         function validate_session($link) {
1926                 if (SINGLE_USER_MODE) {
1927                         return true;
1928                 }
1929
1930                 if (SESSION_CHECK_ADDRESS && $_SESSION["uid"]) {
1931                         if ($_SESSION["ip_address"]) {
1932                                 if ($_SESSION["ip_address"] != $_SERVER["REMOTE_ADDR"]) {
1933                                         $_SESSION["login_error_msg"] = __("Session failed to validate (incorrect IP)");
1934                                         return false;
1935                                 }
1936                         }
1937                 }
1938
1939                 if ($_SESSION["ref_schema_version"] != get_schema_version($link, true)) {
1940                         return false;
1941                 }
1942
1943                 if ($_SESSION["uid"]) {
1944
1945                         $result = db_query($link,
1946                                 "SELECT pwd_hash FROM ttrss_users WHERE id = '".$_SESSION["uid"]."'");
1947
1948                         $pwd_hash = db_fetch_result($result, 0, "pwd_hash");
1949
1950                         if ($pwd_hash != $_SESSION["pwd_hash"]) {
1951                                 return false;
1952                         }
1953                 }
1954
1955 /*              if ($_SESSION["cookie_lifetime"] && $_SESSION["uid"]) {
1956
1957                         //print_r($_SESSION);
1958
1959                         if (time() > $_SESSION["cookie_lifetime"]) {
1960                                 return false;
1961                         }
1962                 } */
1963
1964                 return true;
1965         }
1966
1967         function login_sequence($link, $mobile = false) {
1968                 if (!SINGLE_USER_MODE) {
1969
1970                         $login_action = $_POST["login_action"];
1971
1972                         # try to authenticate user if called from login form
1973                         if ($login_action == "do_login") {
1974                                 $login = $_POST["login"];
1975                                 $password = $_POST["password"];
1976                                 $remember_me = $_POST["remember_me"];
1977
1978                                 if (authenticate_user($link, $login, $password)) {
1979                                         $_POST["password"] = "";
1980
1981                                         $_SESSION["language"] = $_POST["language"];
1982                                         $_SESSION["ref_schema_version"] = get_schema_version($link, true);
1983                                         $_SESSION["bw_limit"] = !!$_POST["bw_limit"];
1984
1985                                         if ($_POST["profile"]) {
1986
1987                                                 $profile = db_escape_string($_POST["profile"]);
1988
1989                                                 $result = db_query($link, "SELECT id FROM ttrss_settings_profiles
1990                                                         WHERE id = '$profile' AND owner_uid = " . $_SESSION["uid"]);
1991
1992                                                 if (db_num_rows($result) != 0) {
1993                                                         $_SESSION["profile"] = $profile;
1994                                                         $_SESSION["prefs_cache"] = array();
1995                                                 }
1996                                         }
1997
1998                                         header("Location: " . $_SERVER["REQUEST_URI"]);
1999                                         exit;
2000
2001                                         return;
2002                                 } else {
2003                                         $_SESSION["login_error_msg"] = __("Incorrect username or password");
2004                                 }
2005                         }
2006
2007                         if (!$_SESSION["uid"] || !validate_session($link)) {
2008                                 render_login_form($link, $mobile);
2009                                 //header("Location: login.php");
2010                                 exit;
2011                         } else {
2012                                 /* bump login timestamp */
2013                                 db_query($link, "UPDATE ttrss_users SET last_login = NOW() WHERE id = " .
2014                                         $_SESSION["uid"]);
2015
2016                                 if ($_SESSION["language"] && SESSION_COOKIE_LIFETIME > 0) {
2017                                         setcookie("ttrss_lang", $_SESSION["language"],
2018                                                 time() + SESSION_COOKIE_LIFETIME);
2019                                 }
2020
2021                                 /* bump counters stamp since we're getting reloaded anyway */
2022
2023                                 $_SESSION["get_all_counters_stamp"] = time();
2024                         }
2025
2026                 } else {
2027                         return authenticate_user($link, "admin", null);
2028                 }
2029         }
2030
2031         function truncate_string($str, $max_len) {
2032                 if (mb_strlen($str, "utf-8") > $max_len - 3) {
2033                         return mb_substr($str, 0, $max_len, "utf-8") . "&hellip;";
2034                 } else {
2035                         return $str;
2036                 }
2037         }
2038
2039         function theme_image($link, $filename) {
2040                 if ($link) {
2041                         $theme_path = get_user_theme_path($link);
2042
2043                         if ($theme_path && is_file($theme_path.$filename)) {
2044                                 return $theme_path.$filename;
2045                         } else {
2046                                 return $filename;
2047                         }
2048                 } else {
2049                         return $filename;
2050                 }
2051         }
2052
2053         function get_user_theme($link) {
2054
2055                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2056                         $theme_name = get_pref($link, "_THEME_ID");
2057                         if (is_dir("themes/$theme_name")) {
2058                                 return $theme_name;
2059                         } else {
2060                                 return '';
2061                         }
2062                 } else {
2063                         return '';
2064                 }
2065
2066         }
2067
2068         function get_user_theme_path($link) {
2069
2070                 if (get_schema_version($link) >= 63 && $_SESSION["uid"]) {
2071                         $theme_name = get_pref($link, "_THEME_ID");
2072
2073                         if ($theme_name && is_dir("themes/$theme_name")) {
2074                                 $theme_path = "themes/$theme_name/";
2075                         } else {
2076                                 $theme_name = '';
2077                         }
2078                 } else {
2079                         $theme_path = '';
2080                 }
2081
2082                 return $theme_path;
2083         }
2084
2085         function get_user_theme_options($link) {
2086                 $t = get_user_theme_path($link);
2087
2088                 if ($t) {
2089                         if (is_file("$t/theme.ini")) {
2090                                 $ini = parse_ini_file("$t/theme.ini", true);
2091                                 if ($ini['theme']['version']) {
2092                                         return $ini['theme']['options'];
2093                                 }
2094                         }
2095                 }
2096                 return '';
2097         }
2098
2099
2100         function get_all_themes() {
2101                 $themes = glob("themes/*");
2102
2103                 asort($themes);
2104
2105                 $rv = array();
2106
2107                 foreach ($themes as $t) {
2108                         if (is_file("$t/theme.ini")) {
2109                                 $ini = parse_ini_file("$t/theme.ini", true);
2110                                 if ($ini['theme']['version'] && !$ini['theme']['disabled']) {
2111                                         $entry = array();
2112                                         $entry["path"] = $t;
2113                                         $entry["base"] = basename($t);
2114                                         $entry["name"] = $ini['theme']['name'];
2115                                         $entry["version"] = $ini['theme']['version'];
2116                                         $entry["author"] = $ini['theme']['author'];
2117                                         $entry["options"] = $ini['theme']['options'];
2118                                         array_push($rv, $entry);
2119                                 }
2120                         }
2121                 }
2122
2123                 return $rv;
2124         }
2125
2126         function smart_date_time($timestamp) {
2127                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2128                         return date("G:i", $timestamp);
2129                 } else if (date("Y", $timestamp) == date("Y")) {
2130                         return date("M d, G:i", $timestamp);
2131                 } else {
2132                         return date("Y/m/d, G:i", $timestamp);
2133                 }
2134         }
2135
2136         function smart_date($timestamp) {
2137                 if (date("Y.m.d", $timestamp) == date("Y.m.d")) {
2138                         return "Today";
2139                 } else if (date("Y", $timestamp) == date("Y")) {
2140                         return date("D m", $timestamp);
2141                 } else {
2142                         return date("Y/m/d", $timestamp);
2143                 }
2144         }
2145
2146         function sql_bool_to_string($s) {
2147                 if ($s == "t" || $s == "1") {
2148                         return "true";
2149                 } else {
2150                         return "false";
2151                 }
2152         }
2153
2154         function sql_bool_to_bool($s) {
2155                 if ($s == "t" || $s == "1") {
2156                         return true;
2157                 } else {
2158                         return false;
2159                 }
2160         }
2161
2162         function bool_to_sql_bool($s) {
2163                 if ($s) {
2164                         return "true";
2165                 } else {
2166                         return "false";
2167                 }
2168         }
2169
2170         function toggleEvenOdd($a) {
2171                 if ($a == "even")
2172                         return "odd";
2173                 else
2174                         return "even";
2175         }
2176
2177         function get_schema_version($link, $nocache = false) {
2178                 if (!$_SESSION["schema_version"] || $nocache) {
2179                         $result = db_query($link, "SELECT schema_version FROM ttrss_version");
2180                         $version = db_fetch_result($result, 0, "schema_version");
2181                         $_SESSION["schema_version"] = $version;
2182                         return $version;
2183                 } else {
2184                         return $_SESSION["schema_version"];
2185                 }
2186         }
2187
2188         function sanity_check($link) {
2189
2190                 error_reporting(0);
2191
2192                 $error_code = 0;
2193                 $schema_version = get_schema_version($link);
2194
2195                 if ($schema_version != SCHEMA_VERSION) {
2196                         $error_code = 5;
2197                 }
2198
2199                 if (DB_TYPE == "mysql") {
2200                         $result = db_query($link, "SELECT true", false);
2201                         if (db_num_rows($result) != 1) {
2202                                 $error_code = 10;
2203                         }
2204                 }
2205
2206                 if (db_escape_string("testTEST") != "testTEST") {
2207                         $error_code = 12;
2208                 }
2209
2210                 error_reporting (DEFAULT_ERROR_LEVEL);
2211
2212                 if ($error_code != 0) {
2213                         print_error_xml($error_code);
2214                         return false;
2215                 } else {
2216                         return true;
2217                 }
2218         }
2219
2220         function file_is_locked($filename) {
2221                 if (function_exists('flock')) {
2222                         error_reporting(0);
2223                         $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2224                         error_reporting(DEFAULT_ERROR_LEVEL);
2225                         if ($fp) {
2226                                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2227                                         flock($fp, LOCK_UN);
2228                                         fclose($fp);
2229                                         return false;
2230                                 }
2231                                 fclose($fp);
2232                                 return true;
2233                         } else {
2234                                 return false;
2235                         }
2236                 }
2237                 return true; // consider the file always locked and skip the test
2238         }
2239
2240         function make_lockfile($filename) {
2241                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2242
2243                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2244                         if (function_exists('posix_getpid')) {
2245                                 fwrite($fp, posix_getpid() . "\n");
2246                         }
2247                         return $fp;
2248                 } else {
2249                         return false;
2250                 }
2251         }
2252
2253         function make_stampfile($filename) {
2254                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "w");
2255
2256                 if (flock($fp, LOCK_EX | LOCK_NB)) {
2257                         fwrite($fp, time() . "\n");
2258                         flock($fp, LOCK_UN);
2259                         fclose($fp);
2260                         return true;
2261                 } else {
2262                         return false;
2263                 }
2264         }
2265
2266         function read_stampfile($filename) {
2267
2268                 error_reporting(0);
2269                 $fp = fopen(LOCK_DIRECTORY . "/$filename", "r");
2270                 error_reporting (DEFAULT_ERROR_LEVEL);
2271
2272                 if ($fp) {
2273                         if (flock($fp, LOCK_EX)) {
2274                                 $stamp = fgets($fp);
2275                                 flock($fp, LOCK_UN);
2276                                 fclose($fp);
2277                                 return $stamp;
2278                         } else {
2279                                 return false;
2280                         }
2281                 } else {
2282                         return false;
2283                 }
2284         }
2285
2286         function sql_random_function() {
2287                 if (DB_TYPE == "mysql") {
2288                         return "RAND()";
2289                 } else {
2290                         return "RANDOM()";
2291                 }
2292         }
2293
2294         function catchup_feed($link, $feed, $cat_view, $owner_uid) {
2295
2296                         if (!$owner_uid) $owner_uid = $_SESSION['uid'];
2297
2298                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
2299
2300                                 if ($cat_view) {
2301
2302                                         if ($feed >= 0) {
2303
2304                                                 if ($feed > 0) {
2305                                                         $cat_qpart = "cat_id = '$feed'";
2306                                                 } else {
2307                                                         $cat_qpart = "cat_id IS NULL";
2308                                                 }
2309
2310                                                 $tmp_result = db_query($link, "SELECT id
2311                                                         FROM ttrss_feeds WHERE $cat_qpart AND owner_uid = $owner_uid");
2312
2313                                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2314
2315                                                         $tmp_feed = $tmp_line["id"];
2316
2317                                                         db_query($link, "UPDATE ttrss_user_entries
2318                                                                 SET unread = false,last_read = NOW()
2319                                                                 WHERE feed_id = '$tmp_feed' AND owner_uid = $owner_uid");
2320                                                 }
2321                                         } else if ($feed == -2) {
2322
2323
2324                                                 db_query($link, "UPDATE ttrss_user_entries
2325                                                         SET unread = false,last_read = NOW() WHERE (SELECT COUNT(*)
2326                                                                 FROM ttrss_user_labels2 WHERE article_id = ref_id) > 0
2327                                                         AND unread = true AND owner_uid = $owner_uid");
2328                                         }
2329
2330                                 } else if ($feed > 0) {
2331
2332                                         $tmp_result = db_query($link, "SELECT id
2333                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
2334                                                 ORDER BY cat_id,title");
2335
2336                                         $parent_ids = array();
2337
2338                                         if (db_num_rows($tmp_result) > 0) {
2339                                                 while ($p = db_fetch_assoc($tmp_result)) {
2340                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
2341                                                 }
2342
2343                                                 $children_qpart = implode(" OR ", $parent_ids);
2344
2345                                                 db_query($link, "UPDATE ttrss_user_entries
2346                                                         SET unread = false,last_read = NOW()
2347                                                         WHERE (feed_id = '$feed' OR $children_qpart)
2348                                                         AND owner_uid = $owner_uid");
2349
2350                                         } else {
2351                                                 db_query($link, "UPDATE ttrss_user_entries
2352                                                         SET unread = false,last_read = NOW()
2353                                                         WHERE feed_id = '$feed' AND owner_uid = $owner_uid");
2354                                         }
2355
2356                                 } else if ($feed < 0 && $feed > -10) { // special, like starred
2357
2358                                         if ($feed == -1) {
2359                                                 db_query($link, "UPDATE ttrss_user_entries
2360                                                         SET unread = false,last_read = NOW()
2361                                                         WHERE marked = true AND owner_uid = $owner_uid");
2362                                         }
2363
2364                                         if ($feed == -2) {
2365                                                 db_query($link, "UPDATE ttrss_user_entries
2366                                                         SET unread = false,last_read = NOW()
2367                                                         WHERE published = true AND owner_uid = $owner_uid");
2368                                         }
2369
2370                                         if ($feed == -3) {
2371
2372                                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE");
2373
2374                                                 if (DB_TYPE == "pgsql") {
2375                                                         $match_part = "updated > NOW() - INTERVAL '$intl hour' ";
2376                                                 } else {
2377                                                         $match_part = "updated > DATE_SUB(NOW(),
2378                                                                 INTERVAL $intl HOUR) ";
2379                                                 }
2380
2381                                                 $result = db_query($link, "SELECT id FROM ttrss_entries,
2382                                                         ttrss_user_entries WHERE $match_part AND
2383                                                         unread = true AND
2384                                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2385                                                         owner_uid = $owner_uid");
2386
2387                                                 $affected_ids = array();
2388
2389                                                 while ($line = db_fetch_assoc($result)) {
2390                                                         array_push($affected_ids, $line["id"]);
2391                                                 }
2392
2393                                                 catchupArticlesById($link, $affected_ids, 0);
2394                                         }
2395
2396                                         if ($feed == -4) {
2397                                                 db_query($link, "UPDATE ttrss_user_entries
2398                                                         SET unread = false,last_read = NOW()
2399                                                         WHERE owner_uid = $owner_uid");
2400                                         }
2401
2402                                 } else if ($feed < -10) { // label
2403
2404                                         $label_id = -$feed - 11;
2405
2406                                         db_query($link, "UPDATE ttrss_user_entries, ttrss_user_labels2
2407                                                 SET unread = false, last_read = NOW()
2408                                                         WHERE label_id = '$label_id' AND unread = true
2409                                                         AND owner_uid = '$owner_uid' AND ref_id = article_id");
2410
2411                                 }
2412
2413                                 ccache_update($link, $feed, $owner_uid, $cat_view);
2414
2415                         } else { // tag
2416                                 db_query($link, "BEGIN");
2417
2418                                 $tag_name = db_escape_string($feed);
2419
2420                                 $result = db_query($link, "SELECT post_int_id FROM ttrss_tags
2421                                         WHERE tag_name = '$tag_name' AND owner_uid = $owner_uid");
2422
2423                                 while ($line = db_fetch_assoc($result)) {
2424                                         db_query($link, "UPDATE ttrss_user_entries SET
2425                                                 unread = false, last_read = NOW()
2426                                                 WHERE int_id = " . $line["post_int_id"]);
2427                                 }
2428                                 db_query($link, "COMMIT");
2429                         }
2430         }
2431
2432         function update_generic_feed($link, $feed, $cat_view, $force_update = false) {
2433                         if ($cat_view) {
2434
2435                                 if ($feed > 0) {
2436                                         $cat_qpart = "cat_id = '$feed'";
2437                                 } else {
2438                                         $cat_qpart = "cat_id IS NULL";
2439                                 }
2440
2441                                 $tmp_result = db_query($link, "SELECT id FROM ttrss_feeds
2442                                         WHERE $cat_qpart AND owner_uid = " . $_SESSION["uid"]);
2443
2444                                 while ($tmp_line = db_fetch_assoc($tmp_result)) {
2445                                         $feed_id = $tmp_line["id"];
2446                                         update_rss_feed($link, $feed_id, $force_update);
2447                                 }
2448
2449                         } else {
2450                                 update_rss_feed($link, $feed, $force_update);
2451                         }
2452         }
2453
2454         function getAllCounters($link, $omode = "flc", $active_feed = false) {
2455
2456                 if (!$omode) $omode = "flc";
2457
2458                 $data = getGlobalCounters($link);
2459
2460                 $data = array_merge($data, getVirtCounters($link));
2461
2462                 if (strchr($omode, "l")) $data = array_merge($data, getLabelCounters($link));
2463                 if (strchr($omode, "f")) $data = array_merge($data, getFeedCounters($link, $active_feed));
2464                 if (strchr($omode, "t")) $data = array_merge($data, getTagCounters($link));
2465                 if (strchr($omode, "c")) {
2466                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
2467                                 $data = array_merge($data, getCategoryCounters($link));
2468                         }
2469                 }
2470
2471                 return $data;
2472         }
2473
2474         function getCategoryCounters($link) {
2475                 $ret_arr = array();
2476
2477                 /* Labels category */
2478
2479                 $cv = array("id" => -2, "cat" => true,
2480                         "counter" => getCategoryUnread($link, -2));
2481
2482                 array_push($ret_arr, $cv);
2483
2484                 $age_qpart = getMaxAgeSubquery();
2485
2486                 $result = db_query($link, "SELECT id AS cat_id, value AS unread
2487                         FROM ttrss_feed_categories, ttrss_cat_counters_cache
2488                         WHERE ttrss_cat_counters_cache.feed_id = id AND
2489                         ttrss_feed_categories.owner_uid = " . $_SESSION["uid"]);
2490
2491                 while ($line = db_fetch_assoc($result)) {
2492                         $line["cat_id"] = (int) $line["cat_id"];
2493
2494                         $cv = array("id" => $line["cat_id"], "cat" => true,
2495                                 "counter" => $line["unread"]);
2496
2497                         array_push($ret_arr, $cv);
2498                 }
2499
2500                 /* Special case: NULL category doesn't actually exist in the DB */
2501
2502                 $cv = array("id" => 0, "cat" => true,
2503                         "counter" => ccache_find($link, 0, $_SESSION["uid"], true));
2504
2505                 array_push($ret_arr, $cv);
2506
2507                 return $ret_arr;
2508         }
2509
2510         function getCategoryUnread($link, $cat, $owner_uid = false) {
2511
2512                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2513
2514                 if ($cat >= 0) {
2515
2516                         if ($cat != 0) {
2517                                 $cat_query = "cat_id = '$cat'";
2518                         } else {
2519                                 $cat_query = "cat_id IS NULL";
2520                         }
2521
2522                         $age_qpart = getMaxAgeSubquery();
2523
2524                         $result = db_query($link, "SELECT id FROM ttrss_feeds WHERE $cat_query
2525                                         AND owner_uid = " . $owner_uid);
2526
2527                         $cat_feeds = array();
2528                         while ($line = db_fetch_assoc($result)) {
2529                                 array_push($cat_feeds, "feed_id = " . $line["id"]);
2530                         }
2531
2532                         if (count($cat_feeds) == 0) return 0;
2533
2534                         $match_part = implode(" OR ", $cat_feeds);
2535
2536                         $result = db_query($link, "SELECT COUNT(int_id) AS unread
2537                                 FROM ttrss_user_entries,ttrss_entries
2538                                 WHERE   unread = true AND ($match_part) AND id = ref_id
2539                                 AND $age_qpart AND owner_uid = " . $owner_uid);
2540
2541                         $unread = 0;
2542
2543                         # this needs to be rewritten
2544                         while ($line = db_fetch_assoc($result)) {
2545                                 $unread += $line["unread"];
2546                         }
2547
2548                         return $unread;
2549                 } else if ($cat == -1) {
2550                         return getFeedUnread($link, -1) + getFeedUnread($link, -2) + getFeedUnread($link, -3) + getFeedUnread($link, 0);
2551                 } else if ($cat == -2) {
2552
2553                         $result = db_query($link, "
2554                                 SELECT COUNT(unread) AS unread FROM
2555                                         ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2556                                 WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2557                                         ttrss_labels2.owner_uid = '$owner_uid'
2558                                         AND unread = true AND feed_id = ttrss_feeds.id
2559                                         AND ttrss_user_entries.owner_uid = '$owner_uid'");
2560
2561                         $unread = db_fetch_result($result, 0, "unread");
2562
2563                         return $unread;
2564
2565                 }
2566         }
2567
2568         function getMaxAgeSubquery($days = COUNTERS_MAX_AGE) {
2569                 if (DB_TYPE == "pgsql") {
2570                         return "ttrss_entries.date_updated >
2571                                 NOW() - INTERVAL '$days days'";
2572                 } else {
2573                         return "ttrss_entries.date_updated >
2574                                 DATE_SUB(NOW(), INTERVAL $days DAY)";
2575                 }
2576         }
2577
2578         function getFeedUnread($link, $feed, $is_cat = false) {
2579                 return getFeedArticles($link, $feed, $is_cat, true, $_SESSION["uid"]);
2580         }
2581
2582         function getLabelUnread($link, $label_id, $owner_uid = false) {
2583                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2584
2585                 $result = db_query($link, "
2586                         SELECT COUNT(unread) AS unread FROM
2587                                 ttrss_user_entries, ttrss_labels2, ttrss_user_labels2, ttrss_feeds
2588                         WHERE label_id = ttrss_labels2.id AND article_id = ref_id AND
2589                                 ttrss_labels2.owner_uid = '$owner_uid' AND ttrss_labels2.id = '$label_id'
2590                                 AND unread = true AND feed_id = ttrss_feeds.id
2591                                 AND ttrss_user_entries.owner_uid = '$owner_uid'");
2592
2593                 if (db_num_rows($result) != 0) {
2594                         return db_fetch_result($result, 0, "unread");
2595                 } else {
2596                         return 0;
2597                 }
2598         }
2599
2600         function getFeedArticles($link, $feed, $is_cat = false, $unread_only = false,
2601                 $owner_uid = false) {
2602
2603                 $n_feed = (int) $feed;
2604
2605                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
2606
2607                 if ($unread_only) {
2608                         $unread_qpart = "unread = true";
2609                 } else {
2610                         $unread_qpart = "true";
2611                 }
2612
2613                 $age_qpart = getMaxAgeSubquery();
2614
2615                 if ($is_cat) {
2616                         return getCategoryUnread($link, $n_feed, $owner_uid);
2617                 } if ($feed != "0" && $n_feed == 0) {
2618
2619                         $feed = db_escape_string($feed);
2620
2621                         $result = db_query($link, "SELECT SUM((SELECT COUNT(int_id)
2622                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2623                                         AND ref_id = id AND $age_qpart
2624                                         AND $unread_qpart)) AS count FROM ttrss_tags
2625                                 WHERE owner_uid = $owner_uid AND tag_name = '$feed'");
2626                         return db_fetch_result($result, 0, "count");
2627
2628                 } else if ($n_feed == -1) {
2629                         $match_part = "marked = true";
2630                 } else if ($n_feed == -2) {
2631                         $match_part = "published = true";
2632                 } else if ($n_feed == -3) {
2633                         $match_part = "unread = true";
2634
2635                         $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
2636
2637                         if (DB_TYPE == "pgsql") {
2638                                 $match_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
2639                         } else {
2640                                 $match_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
2641                         }
2642                 } else if ($n_feed == -4) {
2643                         $match_part = "true";
2644                 } else if ($n_feed >= 0) {
2645
2646                         $result = db_query($link, "SELECT id FROM ttrss_feeds
2647                                         WHERE parent_feed = '$n_feed'
2648                                         AND owner_uid = " . $owner_uid);
2649
2650                         if (db_num_rows($result) > 0) {
2651
2652                                 $linked_feeds = array();
2653                                 while ($line = db_fetch_assoc($result)) {
2654                                         array_push($linked_feeds, "feed_id = " . $line["id"]);
2655                                 }
2656
2657                                 array_push($linked_feeds, "feed_id = $n_feed");
2658
2659                                 $match_part = implode(" OR ", $linked_feeds);
2660
2661                                 $tmp_result = db_query($link, "SELECT COUNT(int_id) AS unread
2662                                         FROM ttrss_user_entries,ttrss_entries
2663                                         WHERE   $unread_qpart AND
2664                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
2665                                         $age_qpart AND
2666                                         ($match_part) AND
2667                                         owner_uid = " . $owner_uid);
2668
2669                                 $unread = 0;
2670
2671                                 # this needs to be rewritten
2672                                 while ($line = db_fetch_assoc($tmp_result)) {
2673                                         $unread += $line["unread"];
2674                                 }
2675
2676                                 return $unread;
2677
2678                         } else {
2679                                 if ($n_feed != 0) {
2680                                         $match_part = "feed_id = '$n_feed'";
2681                                 } else {
2682                                         $match_part = "feed_id IS NULL";
2683                                 }
2684                         }
2685                 } else if ($feed < -10) {
2686
2687                         $label_id = -$feed - 11;
2688
2689                         return getLabelUnread($link, $label_id, $owner_uid);
2690
2691                 }
2692
2693                 if ($match_part) {
2694
2695                         if ($n_feed != 0) {
2696                                 $from_qpart = "ttrss_user_entries,ttrss_feeds,ttrss_entries";
2697                                 $feeds_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
2698                         } else {
2699                                 $from_qpart = "ttrss_user_entries,ttrss_entries";
2700                         }
2701
2702                         $query = "SELECT count(int_id) AS unread
2703                                 FROM $from_qpart WHERE
2704                                 ttrss_user_entries.ref_id = ttrss_entries.id AND
2705                                 $age_qpart AND
2706                                 $feeds_qpart
2707                                 $unread_qpart AND ($match_part) AND ttrss_user_entries.owner_uid = $owner_uid";
2708
2709                         $result = db_query($link, $query);
2710
2711                 } else {
2712
2713                         $result = db_query($link, "SELECT COUNT(post_int_id) AS unread
2714                                 FROM ttrss_tags,ttrss_user_entries,ttrss_entries
2715                                 WHERE tag_name = '$feed' AND post_int_id = int_id AND ref_id = ttrss_entries.id
2716                                 AND $unread_qpart AND $age_qpart AND
2717                                         ttrss_tags.owner_uid = " . $owner_uid);
2718                 }
2719
2720                 $unread = db_fetch_result($result, 0, "unread");
2721
2722                 return $unread;
2723         }
2724
2725         function getGlobalUnread($link, $user_id = false) {
2726
2727                 if (!$user_id) {
2728                         $user_id = $_SESSION["uid"];
2729                 }
2730
2731                 $result = db_query($link, "SELECT SUM(value) AS c_id FROM ttrss_counters_cache
2732                         WHERE owner_uid = '$user_id' AND feed_id > 0");
2733
2734                 $c_id = db_fetch_result($result, 0, "c_id");
2735
2736                 return $c_id;
2737         }
2738
2739         function getGlobalCounters($link, $global_unread = -1) {
2740                 $ret_arr = array();
2741
2742                 if ($global_unread == -1) {
2743                         $global_unread = getGlobalUnread($link);
2744                 }
2745
2746                 $cv = array("id" => "global-unread",
2747                         "counter" => $global_unread);
2748
2749                 array_push($ret_arr, $cv);
2750
2751                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2752                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2753
2754                 $subscribed_feeds = db_fetch_result($result, 0, "fn");
2755
2756                 $cv = array("id" => "subscribed-feeds",
2757                         "counter" => $subscribed_feeds);
2758
2759                 array_push($ret_arr, $cv);
2760
2761                 return $ret_arr;
2762         }
2763
2764         function getSubscribedFeeds($link) {
2765                 $result = db_query($link, "SELECT COUNT(id) AS fn FROM
2766                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
2767
2768                 return db_fetch_result($result, 0, "fn");
2769         }
2770
2771         function getTagCounters($link) {
2772
2773                 $ret_arr = array();
2774
2775                 $age_qpart = getMaxAgeSubquery();
2776
2777                 $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
2778                         FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
2779                                 AND ref_id = id AND $age_qpart
2780                                 AND unread = true)) AS count FROM ttrss_tags
2781                                 WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
2782                                 ORDER BY count DESC LIMIT 55");
2783
2784                 $tags = array();
2785
2786                 while ($line = db_fetch_assoc($result)) {
2787                         $tags[$line["tag_name"]] += $line["count"];
2788                 }
2789
2790                 foreach (array_keys($tags) as $tag) {
2791                         $unread = $tags[$tag];
2792                         $tag = htmlspecialchars($tag);
2793
2794                         $cv = array("id" => $tag,
2795                                 "tag" => true,
2796                                 "counter" => $unread);
2797
2798                         array_push($ret_arr, $cv);
2799                 }
2800
2801                 return $ret_arr;
2802         }
2803
2804         function getVirtCounters($link) {
2805
2806                 $ret_arr = array();
2807
2808                 for ($i = 0; $i >= -4; $i--) {
2809
2810                         $count = getFeedUnread($link, $i);
2811
2812                         $cv = array("id" => $i,
2813                                 "counter" => $count);
2814
2815                         if (get_pref($link, 'EXTENDED_FEEDLIST'))
2816                                 $cv["xmsg"] = getFeedArticles($link, $i)." ".__("total");
2817
2818                         array_push($ret_arr, $cv);
2819                 }
2820
2821                 return $ret_arr;
2822         }
2823
2824         function getLabelCounters($link, $descriptions = false) {
2825
2826                 $ret_arr = array();
2827
2828                 $age_qpart = getMaxAgeSubquery();
2829
2830                 $owner_uid = $_SESSION["uid"];
2831
2832                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2
2833                         WHERE owner_uid = '$owner_uid'");
2834
2835                 while ($line = db_fetch_assoc($result)) {
2836
2837                         $id = -$line["id"] - 11;
2838
2839                         $label_name = $line["caption"];
2840                         $count = getFeedUnread($link, $id);
2841
2842                         $cv = array("id" => $id,
2843                                 "counter" => $count);
2844
2845                         if ($descriptions)
2846                                 $cv["description"] = $label_name;
2847
2848                         if (get_pref($link, 'EXTENDED_FEEDLIST'))
2849                                 $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2850
2851                         array_push($ret_arr, $cv);
2852                 }
2853
2854                 return $ret_arr;
2855         }
2856
2857         function getFeedCounters($link, $active_feed = false) {
2858
2859                 $ret_arr = array();
2860
2861                 $age_qpart = getMaxAgeSubquery();
2862
2863                 $query = "SELECT ttrss_feeds.id,
2864                                 ttrss_feeds.title,
2865                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
2866                                 last_error, value AS count
2867                         FROM ttrss_feeds, ttrss_counters_cache
2868                         WHERE ttrss_feeds.owner_uid = ".$_SESSION["uid"]."
2869                                 AND parent_feed IS NULL
2870                                 AND ttrss_counters_cache.feed_id = id";
2871
2872                 $result = db_query($link, $query);
2873                 $fctrs_modified = false;
2874
2875                 $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
2876
2877                 while ($line = db_fetch_assoc($result)) {
2878
2879                         $id = $line["id"];
2880                         $count = $line["count"];
2881                         $last_error = htmlspecialchars($line["last_error"]);
2882
2883                         if (get_pref($link, 'HEADLINES_SMART_DATE')) {
2884                                 $last_updated = smart_date_time(strtotime($line["last_updated"]));
2885                         } else {
2886                                 $last_updated = date($short_date, strtotime($line["last_updated"]));
2887                         }
2888
2889                         $has_img = feed_has_icon($id);
2890
2891                         $tmp_result = db_query($link,
2892                                 "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
2893                                         WHERE parent_feed = '$id' AND feed_id = id");
2894
2895                         $count += db_fetch_result($tmp_result, 0, "unread");
2896
2897                         $cv = array("id" => $id,
2898                                 "updated" => $last_updated,
2899                                 "counter" => $count,
2900                                 "has_img" => (int) $has_img);
2901
2902                         if ($last_error)
2903                                 $cv["error"] = $last_error;
2904
2905                         if (get_pref($link, 'EXTENDED_FEEDLIST'))
2906                                 $cv["xmsg"] = getFeedArticles($link, $id)." ".__("total");
2907
2908                         if ($active_feed && $id == $active_feed)
2909                                 $cv["title"] = $line["title"];
2910
2911                         array_push($ret_arr, $cv);
2912
2913                 }
2914
2915                 return $ret_arr;
2916         }
2917
2918         function get_script_dt_add() {
2919                 return time();
2920         }
2921
2922         function get_pgsql_version($link) {
2923                 $result = db_query($link, "SELECT version() AS version");
2924                 $version = split(" ", db_fetch_result($result, 0, "version"));
2925                 return $version[1];
2926         }
2927
2928         function print_error_xml($code, $add_msg = "") {
2929                 global $ERRORS;
2930
2931                 $error_msg = $ERRORS[$code];
2932
2933                 if ($add_msg) {
2934                         $error_msg = "$error_msg; $add_msg";
2935                 }
2936
2937                 print "<rpc-reply>";
2938                 print "<error error-code=\"$code\" error-msg=\"$error_msg\"/>";
2939                 print "</rpc-reply>";
2940         }
2941
2942         function subscribe_to_feed($link, $url, $cat_id = 0,
2943                         $auth_login = '', $auth_pass = '') {
2944
2945                 $parts = parse_url($url);
2946
2947                 if (!validate_feed_url($url)) return 2;
2948
2949                 if ($parts['scheme'] == 'feed') $parts['scheme'] = 'http';
2950
2951                 $url = make_url_from_parts($parts);
2952
2953                 if ($cat_id == "0" || !$cat_id) {
2954                         $cat_qpart = "NULL";
2955                 } else {
2956                         $cat_qpart = "'$cat_id'";
2957                 }
2958
2959                 $result = db_query($link,
2960                         "SELECT id FROM ttrss_feeds
2961                         WHERE feed_url = '$url' AND owner_uid = ".$_SESSION["uid"]);
2962
2963                 if (db_num_rows($result) == 0) {
2964
2965                         $result = db_query($link,
2966                                 "INSERT INTO ttrss_feeds
2967                                         (owner_uid,feed_url,title,cat_id, auth_login,auth_pass)
2968                                 VALUES ('".$_SESSION["uid"]."', '$url',
2969                                 '[Unknown]', $cat_qpart, '$auth_login', '$auth_pass')");
2970
2971                         $result = db_query($link,
2972                                 "SELECT id FROM ttrss_feeds WHERE feed_url = '$url'
2973                                         AND owner_uid = " . $_SESSION["uid"]);
2974
2975                         $feed_id = db_fetch_result($result, 0, "id");
2976
2977                         if ($feed_id) {
2978                                 update_rss_feed($link, $feed_id, true);
2979                         }
2980
2981                         return 1;
2982                 } else {
2983                         return 0;
2984                 }
2985         }
2986
2987         function print_feed_select($link, $id, $default_id = "",
2988                 $attributes = "", $include_all_feeds = true) {
2989
2990                 print "<select id=\"$id\" name=\"$id\" $attributes>";
2991                 if ($include_all_feeds) {
2992                         print "<option value=\"0\">".__('All feeds')."</option>";
2993                 }
2994
2995                 $result = db_query($link, "SELECT id,title FROM ttrss_feeds
2996                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
2997
2998                 if (db_num_rows($result) > 0 && $include_all_feeds) {
2999                         print "<option disabled>--------</option>";
3000                 }
3001
3002                 while ($line = db_fetch_assoc($result)) {
3003                         if ($line["id"] == $default_id) {
3004                                 $is_selected = "selected";
3005                         } else {
3006                                 $is_selected = "";
3007                         }
3008
3009                         $title = truncate_string(htmlspecialchars($line["title"]), 40);
3010
3011                         printf("<option $is_selected value='%d'>%s</option>",
3012                                 $line["id"], $title);
3013                 }
3014
3015                 print "</select>";
3016         }
3017
3018         function print_feed_cat_select($link, $id, $default_id = "",
3019                 $attributes = "", $include_all_cats = true) {
3020
3021                 print "<select id=\"$id\" name=\"$id\" $attributes>";
3022
3023                 if ($include_all_cats) {
3024                         print "<option value=\"0\">".__('Uncategorized')."</option>";
3025                 }
3026
3027                 $result = db_query($link, "SELECT id,title FROM ttrss_feed_categories
3028                         WHERE owner_uid = ".$_SESSION["uid"]." ORDER BY title");
3029
3030                 if (db_num_rows($result) > 0 && $include_all_cats) {
3031                         print "<option disabled>--------</option>";
3032                 }
3033
3034                 while ($line = db_fetch_assoc($result)) {
3035                         if ($line["id"] == $default_id) {
3036                                 $is_selected = "selected";
3037                         } else {
3038                                 $is_selected = "";
3039                         }
3040                         printf("<option $is_selected value='%d'>%s</option>",
3041                                 $line["id"], htmlspecialchars($line["title"]));
3042                 }
3043
3044                 print "</select>";
3045         }
3046
3047         function checkbox_to_sql_bool($val) {
3048                 return ($val == "on") ? "true" : "false";
3049         }
3050
3051         function getFeedCatTitle($link, $id) {
3052                 if ($id == -1) {
3053                         return __("Special");
3054                 } else if ($id < -10) {
3055                         return __("Labels");
3056                 } else if ($id > 0) {
3057                         $result = db_query($link, "SELECT ttrss_feed_categories.title
3058                                 FROM ttrss_feeds, ttrss_feed_categories WHERE ttrss_feeds.id = '$id' AND
3059                                         cat_id = ttrss_feed_categories.id");
3060                         if (db_num_rows($result) == 1) {
3061                                 return db_fetch_result($result, 0, "title");
3062                         } else {
3063                                 return __("Uncategorized");
3064                         }
3065                 } else {
3066                         return "getFeedCatTitle($id) failed";
3067                 }
3068
3069         }
3070
3071         function getFeedIcon($id) {
3072                 switch ($id) {
3073                 case 0:
3074                         return "images/archive.png";
3075                         break;
3076                 case -1:
3077                         return "images/mark_set.png";
3078                         break;
3079                 case -2:
3080                         return "images/pub_set.png";
3081                         break;
3082                 case -3:
3083                         return "images/fresh.png";
3084                         break;
3085                 case -4:
3086                         return "images/tag.png";
3087                         break;
3088                 default:
3089                         if ($id < -10) {
3090                                 return "images/label.png";
3091                         } else {
3092                                 return ICONS_URL . "/$id.ico";
3093                         }
3094                         break;
3095                 }
3096         }
3097
3098         function getFeedTitle($link, $id) {
3099                 if ($id == -1) {
3100                         return __("Starred articles");
3101                 } else if ($id == -2) {
3102                         return __("Published articles");
3103                 } else if ($id == -3) {
3104                         return __("Fresh articles");
3105                 } else if ($id == -4) {
3106                         return __("All articles");
3107                 } else if ($id === 0 || $id === "0") {
3108                         return __("Archived articles");
3109                 } else if ($id < -10) {
3110                         $label_id = -$id - 11;
3111                         $result = db_query($link, "SELECT caption FROM ttrss_labels2 WHERE id = '$label_id'");
3112                         if (db_num_rows($result) == 1) {
3113                                 return db_fetch_result($result, 0, "caption");
3114                         } else {
3115                                 return "Unknown label ($label_id)";
3116                         }
3117
3118                 } else if ($id > 0) {
3119                         $result = db_query($link, "SELECT title FROM ttrss_feeds WHERE id = '$id'");
3120                         if (db_num_rows($result) == 1) {
3121                                 return db_fetch_result($result, 0, "title");
3122                         } else {
3123                                 return "Unknown feed ($id)";
3124                         }
3125                 } else {
3126                         return $id;
3127                 }
3128         }
3129
3130         function get_session_cookie_name() {
3131                 return ((!defined('TTRSS_SESSION_NAME')) ? "ttrss_sid" : TTRSS_SESSION_NAME);
3132         }
3133
3134         function make_init_param($param, $value) {
3135                 return array("param" => $param, "value" => $value);
3136         }
3137
3138         function make_init_params($link) {
3139                 $params = array();
3140
3141                 array_push($params, make_init_param("theme", get_user_theme($link)));
3142                 array_push($params, make_init_param("theme_options", get_user_theme_options($link)));
3143                 array_push($params, make_init_param("daemon_enabled", ENABLE_UPDATE_DAEMON));
3144                 array_push($params, make_init_param("feeds_frame_refresh", FEEDS_FRAME_REFRESH));
3145                 array_push($params, make_init_param("daemon_refresh_only", true));
3146
3147                 array_push($params, make_init_param("sign_progress",
3148                         theme_image($link, "images/indicator_white.gif")));
3149
3150                 array_push($params, make_init_param("sign_progress_tiny",
3151                         theme_image($link, "images/indicator_tiny.gif")));
3152
3153                 array_push($params, make_init_param("sign_excl",
3154                         theme_image($link, "images/sign_excl.png")));
3155
3156                 array_push($params, make_init_param("sign_info",
3157                         theme_image($link, "images/sign_info.png")));
3158
3159                 foreach (array("ON_CATCHUP_SHOW_NEXT_FEED", "HIDE_READ_FEEDS",
3160                         "ENABLE_FEED_CATS", "FEEDS_SORT_BY_UNREAD", "CONFIRM_FEED_CATCHUP",
3161                         "CDM_AUTO_CATCHUP", "FRESH_ARTICLE_MAX_AGE",
3162                         "HIDE_READ_SHOWS_SPECIAL", "HIDE_FEEDLIST") as $param) {
3163
3164                                  array_push($params, make_init_param(strtolower($param),
3165                                          (int) get_pref($link, $param)));
3166                  }
3167
3168                 array_push($params, make_init_param("icons_url", ICONS_URL));
3169
3170                 array_push($params, make_init_param("cookie_lifetime", SESSION_COOKIE_LIFETIME));
3171
3172                 array_push($params, make_init_param("default_view_mode",
3173                         get_pref($link, "_DEFAULT_VIEW_MODE")));
3174
3175                 array_push($params, make_init_param("default_view_limit",
3176                         (int) get_pref($link, "_DEFAULT_VIEW_LIMIT")));
3177
3178                 array_push($params, make_init_param("default_view_order_by",
3179                         get_pref($link, "_DEFAULT_VIEW_ORDER_BY")));
3180
3181                 array_push($params, make_init_param("prefs_active_tab",
3182                         get_pref($link, "_PREFS_ACTIVE_TAB")));
3183
3184                 array_push($params, make_init_param("infobox_disable_overlay",
3185                         get_pref($link, "_INFOBOX_DISABLE_OVERLAY")));
3186
3187                 array_push($params, make_init_param("bw_limit",
3188                         (int) $_SESSION["bw_limit"]));
3189
3190                 array_push($params, make_init_param("sync_counters", 1));
3191
3192                 array_push($params, make_init_param("offline_enabled",
3193                         (int) get_pref($link, "ENABLE_OFFLINE_READING")));
3194
3195                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3196                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3197
3198                 $num_feeds = db_fetch_result($result, 0, "cf");
3199
3200                 array_push($params, make_init_param("num_feeds",
3201                         (int) $num_feeds));
3202
3203                 array_push($params, make_init_param("collapsed_feedlist",
3204                         (int) get_pref($link, "_COLLAPSED_FEEDLIST")));
3205
3206                 return $params;
3207         }
3208
3209         function print_runtime_info($link) {
3210                 print "<runtime-info>";
3211
3212                 $result = db_query($link, "SELECT COUNT(*) AS cf FROM
3213                         ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"]);
3214
3215                 $num_feeds = db_fetch_result($result, 0, "cf");
3216
3217                 print "<param key=\"num_feeds\" value=\"".
3218                         (int)$num_feeds. "\"/>";
3219
3220                 if (ENABLE_UPDATE_DAEMON) {
3221                         print "<param key=\"daemon_is_running\" value=\"".
3222                                 (int) file_is_locked("update_daemon.lock") . "\"/>";
3223
3224                         if (time() - $_SESSION["daemon_stamp_check"] > 30) {
3225
3226                                 $stamp = (int)read_stampfile("update_daemon.stamp");
3227
3228 //                              print "<param key=\"daemon_stamp_delta\" value=\"$stamp_delta\"/>";
3229
3230                                 if ($stamp) {
3231                                         $stamp_delta = time() - $stamp;
3232
3233                                         if ($stamp_delta > 1800) {
3234                                                 $stamp_check = 0;
3235                                         } else {
3236                                                 $stamp_check = 1;
3237                                                 $_SESSION["daemon_stamp_check"] = time();
3238                                         }
3239
3240                                         print "<param key=\"daemon_stamp_ok\" value=\"$stamp_check\"/>";
3241
3242                                         $stamp_fmt = date("Y.m.d, G:i", $stamp);
3243
3244                                         print "<param key=\"daemon_stamp\" value=\"$stamp_fmt\"/>";
3245                                 }
3246                         }
3247                 }
3248
3249                 if (CHECK_FOR_NEW_VERSION && $_SESSION["access_level"] >= 10) {
3250
3251                         if ($_SESSION["last_version_check"] + 86400 + rand(-1000, 1000) < time()) {
3252                                 $new_version_details = check_for_update($link);
3253
3254                                 print "<param key=\"new_version_available\" value=\"".
3255                                         sprintf("%d", $new_version_details != ""). "\"/>";
3256
3257                                 $_SESSION["last_version_check"] = time();
3258                         }
3259                 }
3260
3261 //              print "<param key=\"new_version_available\" value=\"1\"/>";
3262
3263                 print "</runtime-info>";
3264         }
3265
3266         function getSearchSql($search, $match_on) {
3267
3268                 $search_query_part = "";
3269
3270                 $keywords = split(" ", $search);
3271                 $query_keywords = array();
3272
3273                 if ($match_on == "both") {
3274
3275                         foreach ($keywords as $k) {
3276                                 if (strpos($k, "-") === 0) {
3277                                         $k = substr($k, 1);
3278                                         $not = "NOT";
3279                                 } else {
3280                                         $not = "";
3281                                 }
3282
3283                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%')
3284                                         OR UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3285                         }
3286
3287                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3288
3289                 } else if ($match_on == "title") {
3290
3291                         foreach ($keywords as $k) {
3292                                 if (strpos($k, "-") === 0) {
3293                                         $k = substr($k, 1);
3294                                         $not = "NOT";
3295                                 } else {
3296                                         $not = "";
3297                                 }
3298
3299                                 array_push($query_keywords, "(UPPER(ttrss_entries.title) $not LIKE UPPER('%$k%'))");
3300                         }
3301
3302                         $search_query_part = implode("AND", $query_keywords) . " AND ";
3303
3304                 } else if ($match_on == "content") {
3305
3306                         foreach ($keywords as $k) {
3307                                 if (strpos($k, "-") === 0) {
3308                                         $k = substr($k, 1);
3309                                         $not = "NOT";
3310                                 } else {
3311                                         $not = "";
3312                                 }
3313
3314                                 array_push($query_keywords, "(UPPER(ttrss_entries.content) $not LIKE UPPER('%$k%'))");
3315                         }
3316                 }
3317
3318                 $search_query_part = implode("AND", $query_keywords);
3319
3320                 return $search_query_part;
3321         }
3322
3323         function queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view, $search, $search_mode, $match_on, $override_order = false, $offset = 0, $owner_uid = 0) {
3324
3325                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
3326
3327                         if ($search) {
3328
3329                                 $search_query_part = getSearchSql($search, $match_on);
3330                                 $search_query_part .= " AND ";
3331
3332                         } else {
3333                                 $search_query_part = "";
3334                         }
3335
3336                         $view_query_part = "";
3337
3338                         if ($view_mode == "adaptive" || $view_query_part == "noscores") {
3339                                 if ($search) {
3340                                         $view_query_part = " ";
3341                                 } else if ($feed != -1) {
3342                                         $unread = getFeedUnread($link, $feed, $cat_view);
3343                                         if ($unread > 0) {
3344                                                 $view_query_part = " unread = true AND ";
3345                                         }
3346                                 }
3347                         }
3348
3349                         if ($view_mode == "marked") {
3350                                 $view_query_part = " marked = true AND ";
3351                         }
3352
3353                         if ($view_mode == "published") {
3354                                 $view_query_part = " published = true AND ";
3355                         }
3356
3357                         if ($view_mode == "unread") {
3358                                 $view_query_part = " unread = true AND ";
3359                         }
3360
3361                         if ($view_mode == "updated") {
3362                                 $view_query_part = " (last_read is null and unread = false) AND ";
3363                         }
3364
3365                         if ($limit > 0) {
3366                                 $limit_query_part = "LIMIT " . $limit;
3367                         }
3368
3369                         $vfeed_query_part = "";
3370
3371                         // override query strategy and enable feed display when searching globally
3372                         if ($search && $search_mode == "all_feeds") {
3373                                 $query_strategy_part = "ttrss_entries.id > 0";
3374                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3375                         /* tags */
3376                         } else if (preg_match("/^-?[0-9][0-9]*$/", $feed) == false) {
3377                                 $query_strategy_part = "ttrss_entries.id > 0";
3378                                 $vfeed_query_part = "(SELECT title FROM ttrss_feeds WHERE
3379                                         id = feed_id) as feed_title,";
3380                         } else if ($feed > 0 && $search && $search_mode == "this_cat") {
3381
3382                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3383
3384                                 $tmp_result = false;
3385
3386                                 if ($cat_view) {
3387                                         $tmp_result = db_query($link, "SELECT id
3388                                                 FROM ttrss_feeds WHERE cat_id = '$feed'");
3389                                 } else {
3390                                         $tmp_result = db_query($link, "SELECT id
3391                                                 FROM ttrss_feeds WHERE cat_id = (SELECT cat_id FROM ttrss_feeds
3392                                                         WHERE id = '$feed') AND id != '$feed'");
3393                                 }
3394
3395                                 $cat_siblings = array();
3396
3397                                 if (db_num_rows($tmp_result) > 0) {
3398                                         while ($p = db_fetch_assoc($tmp_result)) {
3399                                                 array_push($cat_siblings, "feed_id = " . $p["id"]);
3400                                         }
3401
3402                                         $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3403                                                 $feed, implode(" OR ", $cat_siblings));
3404
3405                                 } else {
3406                                         $query_strategy_part = "ttrss_entries.id > 0";
3407                                 }
3408
3409                         } else if ($feed > 0) {
3410
3411                                 if ($cat_view) {
3412
3413                                         if ($feed > 0) {
3414                                                 $query_strategy_part = "cat_id = '$feed'";
3415                                         } else {
3416                                                 $query_strategy_part = "cat_id IS NULL";
3417                                         }
3418
3419                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3420
3421                                 } else {
3422                                         $tmp_result = db_query($link, "SELECT id
3423                                                 FROM ttrss_feeds WHERE parent_feed = '$feed'
3424                                                 ORDER BY cat_id,title");
3425
3426                                         $parent_ids = array();
3427
3428                                         if (db_num_rows($tmp_result) > 0) {
3429                                                 while ($p = db_fetch_assoc($tmp_result)) {
3430                                                         array_push($parent_ids, "feed_id = " . $p["id"]);
3431                                                 }
3432
3433                                                 $query_strategy_part = sprintf("(feed_id = %d OR %s)",
3434                                                         $feed, implode(" OR ", $parent_ids));
3435
3436                                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3437                                         } else {
3438                                                 $query_strategy_part = "feed_id = '$feed'";
3439                                         }
3440                                 }
3441                         } else if ($feed == 0 && !$cat_view) { // archive virtual feed
3442                                 $query_strategy_part = "feed_id IS NULL";
3443                         } else if ($feed == 0 && $cat_view) { // uncategorized
3444                                 $query_strategy_part = "cat_id IS NULL";
3445                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3446                         } else if ($feed == -1) { // starred virtual feed
3447                                 $query_strategy_part = "marked = true";
3448                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3449                         } else if ($feed == -2) { // published virtual feed OR labels category
3450
3451                                 if (!$cat_view) {
3452                                         $query_strategy_part = "published = true";
3453                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3454                                 } else {
3455                                         $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3456
3457                                         $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3458
3459                                         $query_strategy_part = "ttrss_labels2.id = ttrss_user_labels2.label_id AND
3460                                                 ttrss_user_labels2.article_id = ref_id";
3461
3462                                 }
3463
3464                         } else if ($feed == -3) { // fresh virtual feed
3465                                 $query_strategy_part = "unread = true";
3466
3467                                 $intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE", $owner_uid);
3468
3469                                 if (DB_TYPE == "pgsql") {
3470                                         $query_strategy_part .= " AND updated > NOW() - INTERVAL '$intl hour' ";
3471                                 } else {
3472                                         $query_strategy_part .= " AND updated > DATE_SUB(NOW(), INTERVAL $intl HOUR) ";
3473                                 }
3474
3475                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3476                         } else if ($feed == -4) { // all articles virtual feed
3477                                 $query_strategy_part = "true";
3478                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3479                         } else if ($feed <= -10) { // labels
3480                                 $label_id = -$feed - 11;
3481
3482                                 $query_strategy_part = "label_id = '$label_id' AND
3483                                         ttrss_labels2.id = ttrss_user_labels2.label_id AND
3484                                         ttrss_user_labels2.article_id = ref_id";
3485
3486                                 $vfeed_query_part = "ttrss_feeds.title AS feed_title,";
3487                                 $ext_tables_part = ",ttrss_labels2,ttrss_user_labels2";
3488
3489                         } else {
3490                                 $query_strategy_part = "id > 0"; // dumb
3491                         }
3492
3493                         if (get_pref($link, 'REVERSE_HEADLINES', $owner_uid)) {
3494                                 $order_by = "date_entered";
3495                         } else {
3496                                 $order_by = "date_entered DESC";
3497                         }
3498
3499                         if ($view_mode != "noscores") {
3500                                 $order_by = "score DESC, $order_by";
3501                         }
3502
3503                         if ($override_order) {
3504                                 $order_by = $override_order;
3505                         }
3506
3507                         $feed_title = "";
3508
3509                         if ($search) {
3510                                 $feed_title = "Search results";
3511                         } else {
3512                                 if ($cat_view) {
3513                                         $feed_title = getCategoryTitle($link, $feed);
3514                                 } else {
3515                                         if ((int)$feed == $feed && $feed > 0) {
3516                                                 $result = db_query($link, "SELECT title,site_url,last_error
3517                                                         FROM ttrss_feeds WHERE id = '$feed' AND owner_uid = $owner_uid");
3518
3519                                                 $feed_title = db_fetch_result($result, 0, "title");
3520                                                 $feed_site_url = db_fetch_result($result, 0, "site_url");
3521                                                 $last_error = db_fetch_result($result, 0, "last_error");
3522                                         } else {
3523                                                 $feed_title = getFeedTitle($link, $feed);
3524                                         }
3525                                 }
3526                         }
3527
3528                         $content_query_part = "content as content_preview,";
3529
3530                         if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
3531
3532                                 if ($feed >= 0) {
3533                                         $feed_kind = "Feeds";
3534                                 } else {
3535                                         $feed_kind = "Labels";
3536                                 }
3537
3538                                 if ($limit_query_part) {
3539                                         $offset_query_part = "OFFSET $offset";
3540                                 }
3541
3542                                 if ($vfeed_query_part && get_pref($link, 'VFEED_GROUP_BY_FEED', $owner_uid)) {
3543                                         if (!$override_order) {
3544                                                 $order_by = "ttrss_feeds.title, $order_by";
3545                                         }
3546                                 }
3547
3548                                 if ($feed != "0") {
3549                                         $from_qpart = "ttrss_entries,ttrss_user_entries,ttrss_feeds$ext_tables_part";
3550                                         $feed_check_qpart = "ttrss_user_entries.feed_id = ttrss_feeds.id AND";
3551
3552                                 } else {
3553                                         $from_qpart = "ttrss_entries,ttrss_user_entries$ext_tables_part
3554                                                 LEFT JOIN ttrss_feeds ON (feed_id = ttrss_feeds.id)";
3555                                 }
3556
3557                                 $query = "SELECT DISTINCT
3558                                                 date_entered,
3559                                                 guid,
3560                                                 ttrss_entries.id,ttrss_entries.title,
3561                                                 updated,
3562                                                 note,
3563                                                 unread,feed_id,marked,published,link,last_read,orig_feed_id,
3564                                                 ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3565                                                 $vfeed_query_part
3566                                                 $content_query_part
3567                                                 ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3568                                                 author,score
3569                                         FROM
3570                                                 $from_qpart
3571                                         WHERE
3572                                         $group_limit_part
3573                                         $feed_check_qpart
3574                                         ttrss_user_entries.ref_id = ttrss_entries.id AND
3575                                         ttrss_user_entries.owner_uid = '$owner_uid' AND
3576                                         $search_query_part
3577                                         $view_query_part
3578                                         $query_strategy_part ORDER BY $order_by
3579                                         $limit_query_part $offset_query_part";
3580
3581                                 if ($_REQUEST["debug"]) print $query;
3582
3583                                 $result = db_query($link, $query);
3584
3585                         } else {
3586                                 // browsing by tag
3587
3588                                 $feed_kind = "Tags";
3589
3590                                 $result = db_query($link, "SELECT
3591                                         guid,
3592                                         note,
3593                                         ttrss_entries.id as id,title,
3594                                         updated,
3595                                         unread,feed_id,orig_feed_id,
3596                                         marked,link,last_read,
3597                                         ".SUBSTRING_FOR_DATE."(last_read,1,19) as last_read_noms,
3598                                         $vfeed_query_part
3599                                         $content_query_part
3600                                         ".SUBSTRING_FOR_DATE."(updated,1,19) as updated_noms,
3601                                         score
3602                                         FROM
3603                                                 ttrss_entries,ttrss_user_entries,ttrss_tags
3604                                         WHERE
3605                                                 ref_id = ttrss_entries.id AND
3606                                                 ttrss_user_entries.owner_uid = '$owner_uid' AND
3607                                                 post_int_id = int_id AND tag_name = '$feed' AND
3608                                                 $view_query_part
3609                                                 $search_query_part
3610                                                 $query_strategy_part ORDER BY $order_by
3611                                         $limit_query_part");
3612                         }
3613
3614                         return array($result, $feed_title, $feed_site_url, $last_error);
3615
3616         }
3617
3618         function generate_syndicated_feed($link, $owner_uid, $feed, $is_cat,
3619                 $limit, $search, $search_mode, $match_on, $view_mode = false) {
3620
3621                 $note_style =   "float : right; background-color : #fff7d5; border-width : 1px; ".
3622                         "padding : 5px; border-style : dashed; border-color : #e7d796;".
3623                         "margin-bottom : 1em; color : #9a8c59;";
3624
3625                 if (!$limit) $limit = 30;
3626
3627                 $qfh_ret = queryFeedHeadlines($link, $feed,
3628                         $limit, $view_mode, $is_cat, $search, $search_mode,
3629                         $match_on, "date_entered DESC", 0, $owner_uid);
3630
3631                 $result = $qfh_ret[0];
3632                 $feed_title = htmlspecialchars($qfh_ret[1]);
3633                 $feed_site_url = $qfh_ret[2];
3634                 $last_error = $qfh_ret[3];
3635
3636 //              if (!$feed_site_url) $feed_site_url = "http://localhost/";
3637
3638                 print "<?xml version=\"1.0\" encoding=\"utf-8\"?>
3639                         <?xml-stylesheet type=\"text/xsl\" href=\"rss.xsl\"?>
3640                         <rss version=\"2.0\">
3641                         <channel>
3642                         <title>$feed_title</title>
3643                         <link>$feed_site_url</link>
3644                         <description>Feed generated by Tiny Tiny RSS</description>";
3645
3646                 while ($line = db_fetch_assoc($result)) {
3647                         print "<item>";
3648                         print "<guid>" . htmlspecialchars($line["guid"]) . "</guid>";
3649                         print "<link>" . htmlspecialchars($line["link"]) . "</link>";
3650
3651                         $tags = get_article_tags($link, $line["id"], $owner_uid);
3652
3653                         foreach ($tags as $tag) {
3654                                 print "<category>" . htmlspecialchars($tag) . "</category>";
3655                         }
3656
3657                         $rfc822_date = date('r', strtotime($line["updated"]));
3658
3659                         print "<pubDate>$rfc822_date</pubDate>";
3660
3661                         if ($line["author"]) {
3662                                 print "<author>" . htmlspecialchars($line["author"]) . "</author>";
3663                         }
3664
3665                         print "<title>" .
3666                                 htmlspecialchars($line["title"]) . "</title>";
3667
3668                         print "<description><![CDATA[";
3669
3670                         if ($line["note"]) {
3671                                 print "<div style='$note_style'>";
3672                                 print $line["note"];
3673                                 print "</div>";
3674                         }
3675
3676                         print sanitize_rss($link, $line["content_preview"], false, $owner_uid);
3677                         print "]]></description>";
3678
3679                         $enclosures = get_article_enclosures($link, $line["id"]);
3680
3681                         foreach ($enclosures as $e) {
3682                                 $type = htmlspecialchars($e['content_type']);
3683                                 $url = htmlspecialchars($e['content_url']);
3684                                 $length = $e['duration'];
3685                                 print "<enclosure url=\"$url\" type=\"$type\" length=\"$length\"/>";
3686                         }
3687
3688                         print "</item>";
3689                 }
3690
3691                 print "</channel></rss>";
3692
3693         }
3694
3695         function getCategoryTitle($link, $cat_id) {
3696
3697                 if ($cat_id == -1) {
3698                         return __("Special");
3699                 } else if ($cat_id == -2) {
3700                         return __("Labels");
3701                 } else {
3702
3703                         $result = db_query($link, "SELECT title FROM ttrss_feed_categories WHERE
3704                                 id = '$cat_id'");
3705
3706                         if (db_num_rows($result) == 1) {
3707                                 return db_fetch_result($result, 0, "title");
3708                         } else {
3709                                 return "Uncategorized";
3710                         }
3711                 }
3712         }
3713
3714         function strip_tags_long($string, $allowed) {
3715
3716                 $config = HTMLPurifier_Config::createDefault();
3717
3718                 $config->set('HTML', 'Allowed', $allowed);
3719                 $purifier = new HTMLPurifier($config);
3720
3721                 return $purifier->purify($string);
3722
3723         }
3724
3725         // http://ru2.php.net/strip-tags
3726
3727 /*      function strip_tags_long($textstring, $allowed){
3728         while($textstring != strip_tags($textstring, $allowed))
3729     {
3730     while (strlen($textstring) != 0)
3731          {
3732          if (strlen($textstring) > 1024) {
3733               $otherlen = 1024;
3734          } else {
3735               $otherlen = strlen($textstring);
3736          }
3737          $temptext = strip_tags(substr($textstring,0,$otherlen), $allowed);
3738          $safetext .= $temptext;
3739          $textstring = substr_replace($textstring,'',0,$otherlen);
3740          }
3741     $textstring = $safetext;
3742     }
3743         return $textstring;
3744 } */
3745
3746
3747         function sanitize_rss($link, $str, $force_strip_tags = false, $owner = false) {
3748                 $res = $str;
3749
3750                 if (!$owner) $owner = $_SESSION["uid"];
3751
3752                 if (get_pref($link, "STRIP_UNSAFE_TAGS", $owner) || $force_strip_tags) {
3753
3754 //                      $res = strip_tags_long($res,
3755 //                              "<p><a><i><em><b><strong><code><pre><blockquote><br><img><ul><ol><li>");
3756
3757                         $res = strip_tags_long($res,
3758                                 "p,a[href],i,em,b,strong,code,pre,blockquote,br,img[src|alt|title],ul,ol,li,h1,h2,h3,h4");
3759
3760                 }
3761
3762                 if (get_pref($link, "STRIP_IMAGES", $owner)) {
3763                         $res = preg_replace('/<img[^>]+>/is', '', $res);
3764                 }
3765
3766                 if (get_pref($link, 'OPEN_LINKS_IN_NEW_WINDOW', $owner)) {
3767                         $res = preg_replace("/href=/i", "target=\"_blank\" href=", $res);
3768                 }
3769
3770                 return $res;
3771         }
3772
3773         /**
3774          * Send by mail a digest of last articles.
3775          *
3776          * @param mixed $link The database connection.
3777          * @param integer $limit The maximum number of articles by digest.
3778          * @return boolean Return false if digests are not enabled.
3779          */
3780         function send_headlines_digests($link, $limit = 100) {
3781
3782                 if (!DIGEST_ENABLE) return false;
3783
3784                 $user_limit = DIGEST_EMAIL_LIMIT;
3785                 $days = 1;
3786
3787                 print "Sending digests, batch of max $user_limit users, days = $days, headline limit = $limit\n\n";
3788
3789                 if (DB_TYPE == "pgsql") {
3790                         $interval_query = "last_digest_sent < NOW() - INTERVAL '$days days'";
3791                 } else if (DB_TYPE == "mysql") {
3792                         $interval_query = "last_digest_sent < DATE_SUB(NOW(), INTERVAL $days DAY)";
3793                 }
3794
3795                 $result = db_query($link, "SELECT id,email FROM ttrss_users
3796                                 WHERE email != '' AND (last_digest_sent IS NULL OR $interval_query)");
3797
3798                 while ($line = db_fetch_assoc($result)) {
3799
3800                         if (get_pref($link, 'DIGEST_ENABLE', $line['id'], false)) {
3801                                 print "Sending digest for UID:" . $line['id'] . " - " . $line["email"] . " ... ";
3802
3803                                 $do_catchup = get_pref($link, 'DIGEST_CATCHUP', $line['id'], false);
3804
3805                                 $tuple = prepare_headlines_digest($link, $line["id"], $days, $limit);
3806                                 $digest = $tuple[0];
3807                                 $headlines_count = $tuple[1];
3808                                 $affected_ids = $tuple[2];
3809                                 $digest_text = $tuple[3];
3810
3811                                 if ($headlines_count > 0) {
3812
3813                                         $mail = new PHPMailer();
3814
3815                                         $mail->PluginDir = "lib/phpmailer/";
3816                                         $mail->SetLanguage("en", "lib/phpmailer/language/");
3817
3818                                         $mail->CharSet = "UTF-8";
3819
3820                                         $mail->From = DIGEST_FROM_ADDRESS;
3821                                         $mail->FromName = DIGEST_FROM_NAME;
3822                                         $mail->AddAddress($line["email"], $line["login"]);
3823
3824                                         if (DIGEST_SMTP_HOST) {
3825                                                 $mail->Host = DIGEST_SMTP_HOST;
3826                                                 $mail->Mailer = "smtp";
3827                                                 $mail->SMTPAuth = DIGEST_SMTP_LOGIN != '';
3828                                                 $mail->Username = DIGEST_SMTP_LOGIN;
3829                                                 $mail->Password = DIGEST_SMTP_PASSWORD;
3830                                         }
3831
3832                                         $mail->IsHTML(true);
3833                                         $mail->Subject = DIGEST_SUBJECT;
3834                                         $mail->Body = $digest;
3835                                         $mail->AltBody = $digest_text;
3836
3837                                         $rc = $mail->Send();
3838
3839                                         if (!$rc) print "ERROR: " . $mail->ErrorInfo;
3840
3841                                         print "RC=$rc\n";
3842
3843                                         if ($rc && $do_catchup) {
3844                                                 print "Marking affected articles as read...\n";
3845                                                 catchupArticlesById($link, $affected_ids, 0, $line["id"]);
3846                                         }
3847
3848                                         db_query($link, "UPDATE ttrss_users SET last_digest_sent = NOW()
3849                                                         WHERE id = " . $line["id"]);
3850                                 } else {
3851                                         print "No headlines\n";
3852                                 }
3853                         }
3854                 }
3855
3856                 print "All done.\n";
3857
3858         }
3859
3860         function prepare_headlines_digest($link, $user_id, $days = 1, $limit = 100) {
3861
3862                 require_once "lib/MiniTemplator.class.php";
3863
3864                 $tpl = new MiniTemplator;
3865                 $tpl_t = new MiniTemplator;
3866
3867                 $tpl->readTemplateFromFile("templates/digest_template_html.txt");
3868                 $tpl_t->readTemplateFromFile("templates/digest_template.txt");
3869
3870                 $tpl->setVariable('CUR_DATE', date('Y/m/d'));
3871                 $tpl->setVariable('CUR_TIME', date('G:i'));
3872
3873                 $tpl_t->setVariable('CUR_DATE', date('Y/m/d'));
3874                 $tpl_t->setVariable('CUR_TIME', date('G:i'));
3875
3876                 $affected_ids = array();
3877
3878                 if (DB_TYPE == "pgsql") {
3879                         $interval_query = "ttrss_entries.date_updated > NOW() - INTERVAL '$days days'";
3880                 } else if (DB_TYPE == "mysql") {
3881                         $interval_query = "ttrss_entries.date_updated > DATE_SUB(NOW(), INTERVAL $days DAY)";
3882                 }
3883
3884                 $result = db_query($link, "SELECT ttrss_entries.title,
3885                                 ttrss_feeds.title AS feed_title,
3886                                 date_updated,
3887                                 ttrss_user_entries.ref_id,
3888                                 link,
3889                                 SUBSTRING(content, 1, 120) AS excerpt,
3890                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
3891                         FROM
3892                                 ttrss_user_entries,ttrss_entries,ttrss_feeds
3893                         WHERE
3894                                 ref_id = ttrss_entries.id AND feed_id = ttrss_feeds.id
3895                                 AND include_in_digest = true
3896                                 AND $interval_query
3897                                 AND ttrss_user_entries.owner_uid = $user_id
3898                                 AND unread = true
3899                         ORDER BY ttrss_feeds.title, date_updated DESC
3900                         LIMIT $limit");
3901
3902                 $cur_feed_title = "";
3903
3904                 $headlines_count = db_num_rows($result);
3905
3906                 $headlines = array();
3907
3908                 while ($line = db_fetch_assoc($result)) {
3909                         array_push($headlines, $line);
3910                 }
3911
3912                 for ($i = 0; $i < sizeof($headlines); $i++) {
3913
3914                         $line = $headlines[$i];
3915
3916                         array_push($affected_ids, $line["ref_id"]);
3917
3918                         $updated = smart_date_time(strtotime($line["last_updated"]));
3919
3920                         $tpl->setVariable('FEED_TITLE', $line["feed_title"]);
3921                         $tpl->setVariable('ARTICLE_TITLE', $line["title"]);
3922                         $tpl->setVariable('ARTICLE_LINK', $line["link"]);
3923                         $tpl->setVariable('ARTICLE_UPDATED', $updated);
3924                         $tpl->setVariable('ARTICLE_EXCERPT',
3925                                 truncate_string(strip_tags($line["excerpt"]), 100));
3926
3927                         $tpl->addBlock('article');
3928
3929                         $tpl_t->setVariable('FEED_TITLE', $line["feed_title"]);
3930                         $tpl_t->setVariable('ARTICLE_TITLE', $line["title"]);
3931                         $tpl_t->setVariable('ARTICLE_LINK', $line["link"]);
3932                         $tpl_t->setVariable('ARTICLE_UPDATED', $updated);
3933 //                      $tpl_t->setVariable('ARTICLE_EXCERPT',
3934 //                              truncate_string(strip_tags($line["excerpt"]), 100));
3935
3936                         $tpl_t->addBlock('article');
3937
3938                         if ($headlines[$i]['feed_title'] != $headlines[$i+1]['feed_title']) {
3939                                 $tpl->addBlock('feed');
3940                                 $tpl_t->addBlock('feed');
3941                         }
3942
3943                 }
3944
3945                 $tpl->addBlock('digest');
3946                 $tpl->generateOutputToString($tmp);
3947
3948                 $tpl_t->addBlock('digest');
3949                 $tpl_t->generateOutputToString($tmp_t);
3950
3951                 return array($tmp, $headlines_count, $affected_ids, $tmp_t);
3952         }
3953
3954         function check_for_update($link) {
3955                 $releases_feed = "http://tt-rss.org/releases.rss";
3956
3957                 if (!CHECK_FOR_NEW_VERSION || $_SESSION["access_level"] < 10) {
3958                         return;
3959                 }
3960
3961                 error_reporting(0);
3962                 if (DEFAULT_UPDATE_METHOD == "1") {
3963                         $rss = new SimplePie();
3964                         $rss->set_useragent(SIMPLEPIE_USERAGENT . MAGPIE_USER_AGENT_EXT);
3965 //                      $rss->set_timeout(MAGPIE_FETCH_TIME_OUT);
3966                         $rss->set_feed_url($fetch_url);
3967                         $rss->set_output_encoding('UTF-8');
3968                         $rss->init();
3969                 } else {
3970                         $rss = fetch_rss($releases_feed);
3971                 }
3972                 error_reporting (DEFAULT_ERROR_LEVEL);
3973
3974                 if ($rss) {
3975
3976                         if (DEFAULT_UPDATE_METHOD == "1") {
3977                                 $items = $rss->get_items();
3978                         } else {
3979                                 $items = $rss->items;
3980
3981                                 if (!$items || !is_array($items)) $items = $rss->entries;
3982                                 if (!$items || !is_array($items)) $items = $rss;
3983                         }
3984
3985                         if (!is_array($items) || count($items) == 0) {
3986                                 return;
3987                         }
3988
3989                         $latest_item = $items[0];
3990
3991                         if (DEFAULT_UPDATE_METHOD == "1") {
3992                                 $last_title = $latest_item->get_title();
3993                         } else {
3994                                 $last_title = $latest_item["title"];
3995                         }
3996
3997                         $latest_version = trim(preg_replace("/(Milestone)|(completed)/", "", $last_title));
3998
3999                         if (DEFAULT_UPDATE_METHOD == "1") {
4000                                 $release_url = sanitize_rss($link, $latest_item->get_link());
4001                                 $content = sanitize_rss($link, $latest_item->get_description());
4002                         } else {
4003                                 $release_url = sanitize_rss($link, $latest_item["link"]);
4004                                 $content = sanitize_rss($link, $latest_item["description"]);
4005                         }
4006
4007                         if (version_compare(VERSION, $latest_version) == -1) {
4008                                 return sprintf("New version of Tiny-Tiny RSS (%s) is available:",
4009                                         $latest_version)."<div class='milestoneDetails'>$content</div>";
4010                         } else {
4011                                 return false;
4012                         }
4013                 }
4014         }
4015
4016         function markArticlesById($link, $ids, $cmode) {
4017
4018                 $tmp_ids = array();
4019
4020                 foreach ($ids as $id) {
4021                         array_push($tmp_ids, "ref_id = '$id'");
4022                 }
4023
4024                 $ids_qpart = join(" OR ", $tmp_ids);
4025
4026                 if ($cmode == 0) {
4027                         db_query($link, "UPDATE ttrss_user_entries SET
4028                         marked = false,last_read = NOW()
4029                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4030                 } else if ($cmode == 1) {
4031                         db_query($link, "UPDATE ttrss_user_entries SET
4032                         marked = true
4033                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4034                 } else {
4035                         db_query($link, "UPDATE ttrss_user_entries SET
4036                         marked = NOT marked,last_read = NOW()
4037                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4038                 }
4039         }
4040
4041         function publishArticlesById($link, $ids, $cmode) {
4042
4043                 $tmp_ids = array();
4044
4045                 foreach ($ids as $id) {
4046                         array_push($tmp_ids, "ref_id = '$id'");
4047                 }
4048
4049                 $ids_qpart = join(" OR ", $tmp_ids);
4050
4051                 if ($cmode == 0) {
4052                         db_query($link, "UPDATE ttrss_user_entries SET
4053                         published = false,last_read = NOW()
4054                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4055                 } else if ($cmode == 1) {
4056                         db_query($link, "UPDATE ttrss_user_entries SET
4057                         published = true
4058                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4059                 } else {
4060                         db_query($link, "UPDATE ttrss_user_entries SET
4061                         published = NOT published,last_read = NOW()
4062                         WHERE ($ids_qpart) AND owner_uid = " . $_SESSION["uid"]);
4063                 }
4064         }
4065
4066         function catchupArticlesById($link, $ids, $cmode, $owner_uid = false) {
4067
4068                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4069                 if (count($ids) == 0) return;
4070
4071                 $tmp_ids = array();
4072
4073                 foreach ($ids as $id) {
4074                         array_push($tmp_ids, "ref_id = '$id'");
4075                 }
4076
4077                 $ids_qpart = join(" OR ", $tmp_ids);
4078
4079                 if ($cmode == 0) {
4080                         db_query($link, "UPDATE ttrss_user_entries SET
4081                         unread = false,last_read = NOW()
4082                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4083                 } else if ($cmode == 1) {
4084                         db_query($link, "UPDATE ttrss_user_entries SET
4085                         unread = true
4086                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4087                 } else {
4088                         db_query($link, "UPDATE ttrss_user_entries SET
4089                         unread = NOT unread,last_read = NOW()
4090                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4091                 }
4092
4093                 /* update ccache */
4094
4095                 $result = db_query($link, "SELECT DISTINCT feed_id FROM ttrss_user_entries
4096                         WHERE ($ids_qpart) AND owner_uid = $owner_uid");
4097
4098                 while ($line = db_fetch_assoc($result)) {
4099                         ccache_update($link, $line["feed_id"], $owner_uid);
4100                 }
4101         }
4102
4103         function catchupArticleById($link, $id, $cmode) {
4104
4105                 if ($cmode == 0) {
4106                         db_query($link, "UPDATE ttrss_user_entries SET
4107                         unread = false,last_read = NOW()
4108                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4109                 } else if ($cmode == 1) {
4110                         db_query($link, "UPDATE ttrss_user_entries SET
4111                         unread = true
4112                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4113                 } else {
4114                         db_query($link, "UPDATE ttrss_user_entries SET
4115                         unread = NOT unread,last_read = NOW()
4116                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4117                 }
4118
4119                 $feed_id = getArticleFeed($link, $id);
4120                 ccache_update($link, $feed_id, $_SESSION["uid"]);
4121         }
4122
4123         function make_guid_from_title($title) {
4124                 return preg_replace("/[ \"\',.:;]/", "-",
4125                         mb_strtolower(strip_tags($title), 'utf-8'));
4126         }
4127
4128         function print_headline_subtoolbar($link, $feed_site_url, $feed_title,
4129                         $feed_id, $is_cat, $search, $match_on,
4130                         $search_mode, $view_mode) {
4131
4132                         print "<div class=\"headlinesSubToolbar\">";
4133
4134                         $page_prev_link = "javascript:viewFeedGoPage(-1)";
4135                         $page_next_link = "javascript:viewFeedGoPage(1)";
4136                         $page_first_link = "javascript:viewFeedGoPage(0)";
4137
4138                         $catchup_page_link = "javascript:catchupPage()";
4139                         $catchup_feed_link = "javascript:catchupCurrentFeed()";
4140                         $catchup_sel_link = "javascript:catchupSelection()";
4141
4142                         $archive_sel_link = "javascript:archiveSelection()";
4143                         $delete_sel_link = "javascript:deleteSelection()";
4144
4145                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
4146
4147                                 $sel_all_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, '', true)";
4148                                 $sel_unread_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', true, 'Unread', true)";
4149                                 $sel_none_link = "javascript:selectTableRowsByIdPrefix('headlinesList', 'RROW-', 'RCHK-', false)";
4150                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4151
4152                                 $tog_unread_link = "javascript:selectionToggleUnread()";
4153                                 $tog_marked_link = "javascript:selectionToggleMarked()";
4154                                 $tog_published_link = "javascript:selectionTogglePublished()";
4155
4156                         } else {
4157
4158                                 $sel_all_link = "javascript:cdmSelectArticles('all')";
4159                                 $sel_unread_link = "javascript:cdmSelectArticles('unread')";
4160                                 $sel_none_link = "javascript:cdmSelectArticles('none')";
4161
4162                                 $sel_inv_link = "javascript:invertHeadlineSelection()";
4163
4164                                 $tog_unread_link = "javascript:selectionToggleUnread(true)";
4165                                 $tog_marked_link = "javascript:selectionToggleMarked(true)";
4166                                 $tog_published_link = "javascript:selectionTogglePublished(true)";
4167
4168                         }
4169
4170                         print "<div id=\"subtoolbar_ftitle\">";
4171
4172                         if ($feed_site_url) {
4173                                 if (!$bottom) {
4174                                         $target = "target=\"_blank\"";
4175                                 }
4176                                 print "<a title=\"".__("Visit the website")."\"$target href=\"$feed_site_url\">".
4177                                         truncate_string($feed_title,30)."</a>";
4178                         } else {
4179                                 if ($feed_id < -10) {
4180                                         $label_id = -11-$feed_id;
4181
4182                                         $result = db_query($link, "SELECT fg_color, bg_color
4183                                                 FROM ttrss_labels2 WHERE id = '$label_id' AND owner_uid = " .
4184                                                 $_SESSION["uid"]);
4185
4186                                         if (db_num_rows($result) != 0) {
4187                                                 $fg_color = db_fetch_result($result, 0, "fg_color");
4188                                                 $bg_color = db_fetch_result($result, 0, "bg_color");
4189
4190                                                 print "<span style='background : $bg_color; color : $fg_color'>";
4191                                                 print $feed_title;
4192                                                 print "</span>";
4193                                         } else {
4194                                                 print $feed_title;
4195                                         }
4196
4197                                 } else {
4198                                         print $feed_title;
4199                                 }
4200                         }
4201
4202                         if ($search) {
4203                                 $search_q = "&q=$search&m=$match_on&smode=$search_mode";
4204                         }
4205
4206                         $rss_link = "backend.php?op=rss&id=$feed_id&is_cat=$is_cat&view-mode=$view_mode$search_q";
4207
4208                         print "
4209                                 <a target=\"_blank\"
4210                                         title=\"".__("View as RSS feed")."\"
4211                                         href=\"$rss_link\">
4212                                         <img class=\"noborder\" src=\"images/feed-icon-12x12.png\"></a>";
4213
4214                         print "</div>";
4215
4216                         print __('Select:')."
4217                                 <a href=\"$sel_all_link\">".__('All')."</a>,
4218                                 <a href=\"$sel_unread_link\">".__('Unread')."</a>,
4219                                 <a href=\"$sel_inv_link\">".__('Invert')."</a>,
4220                                 <a href=\"$sel_none_link\">".__('None')."</a></li>";
4221
4222                         print "&nbsp;&nbsp;";
4223
4224                         print "<span
4225                                 onmouseover=\"enable_selection(false)\"
4226             onmouseout=\"enable_selection(true)\"
4227                                 onclick=\"toggleHeadlineActions()\" id=\"headlineActionsDrop\">".
4228                                 __("Actions...") . "&nbsp;&nbsp;<img width='11' height'7'
4229                                 src=\"images/down_arrow.png\">
4230                                 </span>";
4231
4232                         print "<ul id=\"headlineActionsBody\" style=\"display : none\">";
4233
4234                         print "<li class=\"insensitive\">".__('Selection toggle:')."</li>
4235                                 <li onclick=\"$tog_unread_link\">&nbsp;&nbsp;".__('Unread')."</li>
4236                                 <li onclick=\"$tog_marked_link\">&nbsp;&nbsp;".__('Starred')."</li>
4237                                 <li onclick=\"$tog_published_link\">&nbsp;&nbsp;".__('Published')."</li>
4238                                 <li class=\"insensitive\">".__('Selection:')."</li>
4239                                 <li onclick=\"$catchup_sel_link\">&nbsp;&nbsp;".__('Mark as read')."</li>";
4240
4241 //                      print "<li onclick=\"$catchup_feed_link\">&nbsp;&nbsp;".__('Entire feed').
4242 //                              "</li>";
4243
4244                         if ($feed_id != "0") {
4245                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Archive')."</li>";
4246                         } else {
4247                                 print "<li onclick=\"$archive_sel_link\">&nbsp;&nbsp;".__('Move back')."</li>";
4248                                 print "<li onclick=\"$delete_sel_link\">&nbsp;&nbsp;".__('Delete')."</li>";
4249
4250                         }
4251
4252                         //print "<li><span class=\"insensitive\">--------</span></li>";
4253                         print "<li class=\"insensitive\">".__('Assign label:')."</li>";
4254
4255                         print_labels_headlines_dropdown($link, $feed_id);
4256
4257                         print "<li class=\"insensitive\">".__('Feed:')."</li>";
4258                         print "<li onclick=\"window.open('$rss_link')\">&nbsp;&nbsp;".__('View as RSS')."</li>";
4259
4260                         print "</ul>";
4261
4262                         print "</div>";
4263                 }
4264
4265         function printCategoryHeader($link, $cat_id, $hidden = false, $can_browse = true) {
4266
4267                         $tmp_category = getCategoryTitle($link, $cat_id);
4268
4269                         if ($cat_id > 0) {
4270                                 $cat_unread = ccache_find($link, $cat_id, $_SESSION["uid"], true);
4271                         } else if ($cat_id == 0 || $cat_id == -2) {
4272                                 $cat_unread = getCategoryUnread($link, $cat_id);
4273                         }
4274
4275                         if ($hidden) {
4276                                 $holder_style = "display:none;";
4277                                 $ellipsis = "…";
4278                         } else {
4279                                 $holder_style = "";
4280                                 $ellipsis = "";
4281                         }
4282
4283                         $catctr_class = ($cat_unread > 0) ? "catCtrHasUnread" : "catCtrNoUnread";
4284
4285                         if ($can_browse) {
4286                                 $browse_cat_link = "onclick=\"javascript:viewCategory($cat_id)\"";
4287                                 $inner_title_class = "catTitle";
4288                         } else {
4289                                 $browse_cat_link = "";
4290                                 $inner_title_class = "catTitleNL";
4291                         }
4292
4293                         $cat_class = "feedCat";
4294
4295                         print "<li class=\"$cat_class\" id=\"FCAT-$cat_id\">
4296                                 <img onclick=\"toggleCollapseCat($cat_id)\" class=\"catCollapse\"
4297                                         title=\"".__('Click to collapse category')."\"
4298                                         src=\"images/cat-collapse.png\"><span class=\"$inner_title_class\"
4299                                         id=\"FCATN-$cat_id\" $browse_cat_link/>$tmp_category</span>";
4300
4301                         print "<span id=\"FCAP-$cat_id\">";
4302
4303                         print " <span id=\"FCATCTR-$cat_id\"
4304                                 class=\"$catctr_class\">($cat_unread)</span> $ellipsis";
4305
4306                         print "</span>";
4307
4308                         //print "</li>";
4309
4310                         print "<ul class=\"feedCatList\" id=\"FCATLIST-$cat_id\" style='$holder_style'>";
4311
4312         }
4313
4314         function outputFeedList($link, $tags = false) {
4315
4316                 print "<ul class=\"feedList\" id=\"feedList\">";
4317
4318                 $owner_uid = $_SESSION["uid"];
4319
4320                 /* virtual feeds */
4321
4322                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4323
4324                         $cat_hidden = get_pref($link, "_COLLAPSED_SPECIAL");
4325
4326                         printCategoryHeader($link, -1, $cat_hidden, false);
4327                 }
4328
4329                 foreach (array(-4, -3, -1, -2, 0) as $i) {
4330                         printFeedEntry($i, "virt", false, false,
4331                                 false, $link);
4332                 }
4333
4334                 if (get_pref($link, 'ENABLE_FEED_CATS')) {
4335                         print "</ul></li>";
4336                 }
4337
4338                 if (!$tags) {
4339
4340
4341                                 $result = db_query($link, "SELECT * FROM
4342                                         ttrss_labels2 WHERE owner_uid = '$owner_uid' ORDER by caption");
4343
4344                                 if (db_num_rows($result) > 0) {
4345                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4346
4347                                                 $cat_hidden = get_pref($link, "_COLLAPSED_LABELS");
4348
4349                                                 printCategoryHeader($link, -2, $cat_hidden, true);
4350
4351                                         } else {
4352                                                 print "<li><hr></li>";
4353                                         }
4354                                 }
4355
4356                                 while ($line = db_fetch_assoc($result)) {
4357
4358                                         $label_id = -$line['id'] - 11;
4359                                         $count = getFeedUnread($link, $label_id);
4360
4361                                         printFeedEntry($label_id,
4362                                                 "label", $line["caption"],
4363                                                 $count, false, $link,
4364                                                 false, false, false,
4365                                                 $line['fg_color'], $line['bg_color']);
4366
4367                                 }
4368
4369                                 if (db_num_rows($result) > 0) {
4370                                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4371                                                 print "</ul>";
4372                                         }
4373                                 }
4374
4375
4376                         if (!get_pref($link, 'ENABLE_FEED_CATS')) {
4377                                 print "<li><hr></li>";
4378                         }
4379
4380                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4381                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4382                                         $order_by_qpart = "order_id,category,unread DESC,title";
4383                                 } else {
4384                                         $order_by_qpart = "order_id,category,title";
4385                                 }
4386                         } else {
4387                                 if (get_pref($link, "FEEDS_SORT_BY_UNREAD")) {
4388                                         $order_by_qpart = "unread DESC,title";
4389                                 } else {
4390                                         $order_by_qpart = "title";
4391                                 }
4392                         }
4393
4394                         $age_qpart = getMaxAgeSubquery();
4395
4396                         $query = "SELECT ttrss_feeds.*,
4397                                 ".SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated_noms,
4398                                 cat_id,last_error,
4399                                 ttrss_feed_categories.title AS category,
4400                                 ttrss_feed_categories.collapsed,
4401                                 value AS unread
4402                                 FROM ttrss_feeds LEFT JOIN ttrss_feed_categories
4403                                         ON (ttrss_feed_categories.id = cat_id)
4404                                 LEFT JOIN ttrss_counters_cache
4405                                         ON
4406                                                 (ttrss_feeds.id = feed_id)
4407                                 WHERE
4408                                         ttrss_feeds.owner_uid = '$owner_uid' AND parent_feed IS NULL
4409                                 ORDER BY $order_by_qpart";
4410
4411                         $result = db_query($link, $query);
4412
4413                         $actid = $_REQUEST["actid"];
4414
4415                         /* real feeds */
4416
4417                         $lnum = 0;
4418
4419                         $total_unread = 0;
4420
4421                         $category = "";
4422
4423                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
4424
4425                         while ($line = db_fetch_assoc($result)) {
4426
4427                                 $feed = htmlspecialchars(trim($line["title"]));
4428
4429                                 if (!$feed) $feed = "[Untitled]";
4430
4431                                 $feed_id = $line["id"];
4432                                 $unread = $line["unread"];
4433
4434                                 $subop = $_REQUEST["subop"];
4435
4436                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
4437                                         $last_updated = smart_date_time(strtotime($line["last_updated_noms"]));
4438                                 } else {
4439                                         $last_updated = date($short_date, strtotime($line["last_updated_noms"]));
4440                                 }
4441
4442                                 $rtl_content = sql_bool_to_bool($line["rtl_content"]);
4443
4444                                 if ($rtl_content) {
4445                                         $rtl_tag = "dir=\"RTL\"";
4446                                 } else {
4447                                         $rtl_tag = "";
4448                                 }
4449
4450                                 $tmp_result = db_query($link,
4451                                         "SELECT SUM(value) AS unread FROM ttrss_feeds, ttrss_counters_cache
4452                                                 WHERE parent_feed = '$feed_id' AND feed_id = id");
4453
4454                                 $unread += db_fetch_result($tmp_result, 0, "unread");
4455
4456                                 $cat_id = $line["cat_id"];
4457
4458                                 $tmp_category = $line["category"];
4459
4460                                 if (!$tmp_category) {
4461                                         $tmp_category = __("Uncategorized");
4462                                 }
4463
4464         //                      $class = ($lnum % 2) ? "even" : "odd";
4465
4466                                 if ($line["last_error"]) {
4467                                         $class = "error";
4468                                 } else {
4469                                         $class = "feed";
4470                                 }
4471
4472                                 if ($actid == $feed_id) {
4473                                         $class .= "Selected";
4474                                 }
4475
4476                                 $total_unread += $unread;
4477
4478                                 if ($category != $tmp_category && get_pref($link, 'ENABLE_FEED_CATS')) {
4479
4480                                         if ($category) {
4481                                                 print "</ul></li>";
4482                                         }
4483
4484                                         $category = $tmp_category;
4485
4486                                         $collapsed = sql_bool_to_bool($line["collapsed"]);
4487
4488                                         // workaround for NULL category
4489                                         if ($category == __("Uncategorized")) {
4490                                                 $collapsed = get_pref($link, "_COLLAPSED_UNCAT");
4491                                         }
4492
4493                                         $cat_id = (int) $cat_id;
4494
4495                                         printCategoryHeader($link, $cat_id, $collapsed, true);
4496
4497                                 }
4498
4499                                 printFeedEntry($feed_id, $class, $feed, $unread,
4500                                         false, $link, $rtl_content,
4501                                         $last_updated, $line["last_error"]);
4502
4503                                 ++$lnum;
4504                         }
4505
4506                         if (db_num_rows($result) == 0) {
4507                                 print "<li>".__('No feeds to display.')."</li>";
4508                         }
4509
4510                 } else {
4511
4512                         // tags
4513
4514 /*                      $result = db_query($link, "SELECT tag_name,count(ttrss_entries.id) AS count
4515                                 FROM ttrss_tags,ttrss_entries,ttrss_user_entries WHERE
4516                                 post_int_id = ttrss_user_entries.int_id AND
4517                                 unread = true AND ref_id = ttrss_entries.id
4518                                 AND ttrss_tags.owner_uid = '$owner_uid' GROUP BY tag_name
4519                         UNION
4520                                 select tag_name,0 as count FROM ttrss_tags WHERE owner_uid = '$owner_uid'
4521                         ORDER BY tag_name"); */
4522
4523                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4524                                 print "<li class=\"feedCat\">".__('Tags')."</li>";
4525                                 print "<ul class=\"feedCatList\">";
4526                         }
4527
4528                         $age_qpart = getMaxAgeSubquery();
4529
4530                         $result = db_query($link, "SELECT tag_name,SUM((SELECT COUNT(int_id)
4531                                 FROM ttrss_user_entries,ttrss_entries WHERE int_id = post_int_id
4532                                         AND ref_id = id AND $age_qpart
4533                                         AND unread = true)) AS count FROM ttrss_tags
4534                                         WHERE owner_uid = ".$_SESSION['uid']." GROUP BY tag_name
4535                                         ORDER BY count DESC LIMIT 50");
4536
4537                         $tags = array();
4538
4539                         while ($line = db_fetch_assoc($result)) {
4540                                 $tags[$line["tag_name"]] += $line["count"];
4541                         }
4542
4543                         foreach (array_keys($tags) as $tag) {
4544
4545                                 $unread = $tags[$tag];
4546                                 $class = "tag";
4547
4548                                 printFeedEntry($tag, $class, $tag, $unread, "images/tag.png", $link);
4549
4550                         }
4551
4552                         if (db_num_rows($result) == 0) {
4553                                 print "<li>No tags to display.</li>";
4554                         }
4555
4556                         if (get_pref($link, 'ENABLE_FEED_CATS')) {
4557                                 print "</ul>";
4558                         }
4559
4560                 }
4561
4562                 print "</ul>";
4563
4564         }
4565
4566         function get_article_tags($link, $id, $owner_uid = 0) {
4567
4568                 global $memcache;
4569
4570                 $a_id = db_escape_string($id);
4571
4572                 if (!$owner_uid) $owner_uid = $_SESSION["uid"];
4573
4574                 $query = "SELECT DISTINCT tag_name,
4575                         owner_uid as owner FROM
4576                         ttrss_tags WHERE post_int_id = (SELECT int_id FROM ttrss_user_entries WHERE
4577                         ref_id = '$a_id' AND owner_uid = '$owner_uid' LIMIT 1) ORDER BY tag_name";
4578
4579                 $obj_id = md5("TAGS:$owner_uid:$id");
4580                 $tags = array();
4581
4582                 if ($memcache && $obj = $memcache->get($obj_id)) {
4583                         $tags = $obj;
4584                 } else {
4585                         $tmp_result = db_query($link, $query);
4586
4587                         while ($tmp_line = db_fetch_assoc($tmp_result)) {
4588                                 array_push($tags, $tmp_line["tag_name"]);
4589                         }
4590
4591                         if ($memcache) $memcache->add($obj_id, $tags, 0, 3600);
4592                 }
4593
4594                 return $tags;
4595         }
4596
4597         function trim_value(&$value) {
4598                 $value = trim($value);
4599         }
4600
4601         function trim_array($array) {
4602                 $tmp = $array;
4603                 array_walk($tmp, 'trim_value');
4604                 return $tmp;
4605         }
4606
4607         function tag_is_valid($tag) {
4608                 if ($tag == '') return false;
4609                 if (preg_match("/^[0-9]*$/", $tag)) return false;
4610                 if (mb_strlen($tag) > 250) return false;
4611
4612                 if (function_exists('iconv')) {
4613                         $tag = iconv("utf-8", "utf-8", $tag);
4614                 }
4615
4616                 if (!$tag) return false;
4617
4618                 return true;
4619         }
4620
4621         function render_login_form($link, $mobile = 0) {
4622                 switch ($mobile) {
4623                 case 0:
4624                         require_once "login_form.php";
4625                         break;
4626                 case 1:
4627                         require_once "mobile/login_form.php";
4628                         break;
4629                 case 2:
4630                         require_once "mobile/classic/login_form.php";
4631                 }
4632         }
4633
4634         // from http://developer.apple.com/internet/safari/faq.html
4635         function no_cache_incantation() {
4636                 header("Expires: Mon, 22 Dec 1980 00:00:00 GMT"); // Happy birthday to me :)
4637                 header("Last-Modified: " . gmdate("D, d M Y H:i:s") . " GMT"); // always modified
4638                 header("Cache-Control: no-store, no-cache, must-revalidate, max-age=0"); // HTTP/1.1
4639                 header("Cache-Control: post-check=0, pre-check=0", false);
4640                 header("Pragma: no-cache"); // HTTP/1.0
4641         }
4642
4643         function format_warning($msg, $id = "") {
4644                 global $link;
4645                 return "<div class=\"warning\" id=\"$id\">
4646                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4647         }
4648
4649         function format_notice($msg) {
4650                 global $link;
4651                 return "<div class=\"notice\" id=\"$id\">
4652                         <img src=\"".theme_image($link, "images/sign_info.png")."\">$msg</div>";
4653         }
4654
4655         function format_error($msg) {
4656                 global $link;
4657                 return "<div class=\"error\" id=\"$id\">
4658                         <img src=\"".theme_image($link, "images/sign_excl.png")."\">$msg</div>";
4659         }
4660
4661         function print_notice($msg) {
4662                 return print format_notice($msg);
4663         }
4664
4665         function print_warning($msg) {
4666                 return print format_warning($msg);
4667         }
4668
4669         function print_error($msg) {
4670                 return print format_error($msg);
4671         }
4672
4673
4674         function T_sprintf() {
4675                 $args = func_get_args();
4676                 return vsprintf(__(array_shift($args)), $args);
4677         }
4678
4679         function format_inline_player($link, $url, $ctype) {
4680
4681                 $entry = "";
4682
4683                 if (($ctype == __("audio/mpeg")) &&  (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4684
4685                         $entry .= "<object type=\"application/x-shockwave-flash\"
4686                                 data=\"extras/button/musicplayer.swf?song_url=$url\"
4687                                 width=\"17\" height=\"17\">
4688                                         <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object>";
4689                 }
4690
4691                 /*
4692
4693                 if (substr($ctype,0,6)=="audio/" || $ctype=="application/ogg" || $ctype=="application/x-ogg") {
4694                         $entry .= "<audio controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4695                         if (($ctype == __("audio/mpeg")) &&
4696                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4697                                 $entry .= "<span><object type=\"application/x-shockwave-flash\" data=\"extras/button/musicplayer.swf?song_url=$url\" width=\"17\" height=\"17\"> <param name=\"movie\" value=\"extras/button/musicplayer.swf?song_url=$url\" /> </object></span>";
4698                         }
4699                         $entry .= "</audio> ";
4700                         if (($ctype == __("audio/mpeg")) &&
4701                                 (get_pref($link, "ENABLE_FLASH_PLAYER")) ) {
4702                                 $entry .= "<a id='switchToFlashLink' href='#' onclick='return switchToFlash(this)'>".__('Switch to Flash Player')."</a>";
4703                                 $entry .= "<script type='text/javascript'>html5AudioOrFlash('$ctype');</script>";
4704                         }
4705                 } elseif (substr($ctype,0,6)=="video/") {
4706                         $entry .= "<video controls=\"controls\"><source src=\"$url\" type=\"$ctype\" />";
4707                         $entry .= "</video>";
4708                 } */
4709
4710
4711
4712                 return $entry;
4713         }
4714
4715         function outputArticleXML($link, $id, $feed_id, $mark_as_read = true,
4716                 $zoom_mode = false) {
4717
4718                 /* we can figure out feed_id from article id anyway, why do we
4719                  * pass feed_id here? let's ignore the argument :( */
4720
4721                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
4722                         WHERE ref_id = '$id'");
4723
4724                 $feed_id = (int) db_fetch_result($result, 0, "feed_id");
4725
4726                 if (!$zoom_mode) { print "<article id='$id'><![CDATA["; };
4727
4728                 $result = db_query($link, "SELECT rtl_content, always_display_enclosures FROM ttrss_feeds
4729                         WHERE id = '$feed_id' AND owner_uid = " . $_SESSION["uid"]);
4730
4731                 if (db_num_rows($result) == 1) {
4732                         $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
4733                         $always_display_enclosures = sql_bool_to_bool(db_fetch_result($result, 0, "always_display_enclosures"));
4734                 } else {
4735                         $rtl_content = false;
4736                         $always_display_enclosures = false;
4737                 }
4738
4739                 if ($rtl_content) {
4740                         $rtl_tag = "dir=\"RTL\"";
4741                         $rtl_class = "RTL";
4742                 } else {
4743                         $rtl_tag = "";
4744                         $rtl_class = "";
4745                 }
4746
4747                 if ($mark_as_read) {
4748                         $result = db_query($link, "UPDATE ttrss_user_entries
4749                                 SET unread = false,last_read = NOW()
4750                                 WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
4751
4752                         ccache_update($link, $feed_id, $_SESSION["uid"]);
4753                 }
4754
4755                 $result = db_query($link, "SELECT title,link,content,feed_id,comments,int_id,
4756                         ".SUBSTRING_FOR_DATE."(updated,1,16) as updated,
4757                         (SELECT icon_url FROM ttrss_feeds WHERE id = feed_id) as icon_url,
4758                         num_comments,
4759                         author,
4760                         orig_feed_id,
4761                         note
4762                         FROM ttrss_entries,ttrss_user_entries
4763                         WHERE   id = '$id' AND ref_id = id AND owner_uid = " . $_SESSION["uid"]);
4764
4765                 if ($result) {
4766
4767                         $line = db_fetch_assoc($result);
4768
4769                         if ($line["icon_url"]) {
4770                                 $feed_icon = "<img class=\"feedIcon\" src=\"" . $line["icon_url"] . "\">";
4771                         } else {
4772                                 $feed_icon = "&nbsp;";
4773                         }
4774
4775                         $num_comments = $line["num_comments"];
4776                         $entry_comments = "";
4777
4778                         if ($num_comments > 0) {
4779                                 if ($line["comments"]) {
4780                                         $comments_url = $line["comments"];
4781                                 } else {
4782                                         $comments_url = $line["link"];
4783                                 }
4784                                 $entry_comments = "<a target='_blank' href=\"$comments_url\">$num_comments comments</a>";
4785                         } else {
4786                                 if ($line["comments"] && $line["link"] != $line["comments"]) {
4787                                         $entry_comments = "<a target='_blank' href=\"".$line["comments"]."\">comments</a>";
4788                                 }
4789                         }
4790
4791                         if ($zoom_mode) {
4792                                 header("Content-Type: text/html");
4793                                 print "<html><head>
4794                                                 <meta http-equiv=\"Content-Type\" content=\"text/html; charset=utf-8\"/>
4795                                                 <title>Tiny Tiny RSS - ".$line["title"]."</title>
4796                                                 <link rel=\"stylesheet\" type=\"text/css\" href=\"tt-rss.css\">
4797                                         </head><body>";
4798                         }
4799
4800
4801                         print "<div class=\"postReply\">";
4802
4803                         print "<div class=\"postHeader\" onmouseover=\"enable_resize(true)\"
4804                                 onmouseout=\"enable_resize(false)\">";
4805
4806                         $entry_author = $line["author"];
4807
4808                         if ($entry_author) {
4809                                 $entry_author = __(" - ") . $entry_author;
4810                         }
4811
4812                         $parsed_updated = date(get_pref($link, 'LONG_DATE_FORMAT'),
4813                                 strtotime($line["updated"]));
4814
4815                         print "<div class=\"postDate$rtl_class\">$parsed_updated</div>";
4816
4817                         if ($line["link"]) {
4818                                 print "<div clear='both'><a target='_blank' href=\"" . $line["link"] . "\">" .
4819                                         $line["title"] . "</a><span class='author'>$entry_author</span></div>";
4820                         } else {
4821                                 print "<div clear='both'>" . $line["title"] . "$entry_author</div>";
4822                         }
4823
4824                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
4825
4826                         if (!$entry_comments) $entry_comments = "&nbsp;"; # placeholder
4827
4828                         print "<div style='float : right'>
4829                                 <img src='".theme_image($link, 'images/tag.png')."'
4830                                 class='tagsPic' alt='Tags' title='Tags'>&nbsp;";
4831
4832                         if (!$zoom_mode) {
4833                                 print "<span id=\"ATSTR-$id\">$tags_str</span>
4834                                         <a title=\"".__('Edit tags for this article')."\"
4835                                         href=\"javascript:editArticleTags($id, $feed_id)\">(+)</a>";
4836
4837                                 print "<img src=\"".theme_image($link, 'images/art-zoom.png')."\"
4838                                                 class='tagsPic' style=\"cursor : pointer\" style=\"cursor : pointer\"
4839                                                 onclick=\"zoomToArticle($id)\"
4840                                                 alt='Zoom' title='".__('Show article summary in new window')."'>";
4841
4842                                 $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
4843
4844                                 print "<img src=\"".theme_image($link, 'images/art-pub-note.png')."\"
4845                                                 class='tagsPic' style=\"cursor : pointer\" style=\"cursor : pointer\"
4846                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
4847                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
4848
4849                         } else {
4850                                 $tags_str = strip_tags($tags_str);
4851                                 print "<span id=\"ATSTR-$id\">$tags_str</span>";
4852                         }
4853                         print "</div>";
4854                         print "<div clear='both'>$entry_comments</div>";
4855
4856                         if ($line["orig_feed_id"]) {
4857
4858                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
4859                                         WHERE id = ".$line["orig_feed_id"]);
4860
4861                                 if (db_num_rows($tmp_result) != 0) {
4862
4863                                         print "<div clear='both'>";
4864                                         print __("Originally from:");
4865
4866                                         print "&nbsp;";
4867
4868                                         $tmp_line = db_fetch_assoc($tmp_result);
4869
4870                                         print "<a target='_blank'
4871                                                 href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
4872                                                 $tmp_line['title'] . "</a>";
4873
4874                                         print "&nbsp;";
4875
4876                                         print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
4877                                         print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
4878
4879                                         print "</div>";
4880                                 }
4881                         }
4882
4883                         print "</div>";
4884
4885                         print "<div class=\"postIcon\">" . $feed_icon . "</div>";
4886
4887                         print "<div class=\"postContent\">";
4888
4889                         $article_content = sanitize_rss($link, $line["content"]);
4890
4891                         print "<div id=\"POSTNOTE-$id\">";
4892                                 if ($line['note']) {
4893                                         print format_article_note($id, $line['note']);
4894                                 }
4895                         print "</div>";
4896
4897                         print $article_content;
4898
4899 //                      $result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
4900 //                              post_id = '$id' AND content_url != ''");
4901
4902                         $result = get_article_enclosures($link, $id);
4903
4904 //                      if (db_num_rows($result) > 0) {
4905
4906                         if (count($result) > 0) {
4907
4908                                 $entries_html = array();
4909                                 $entries = array();
4910
4911                                 //while ($line = db_fetch_assoc($result)) {
4912                                 foreach ($result as $line) {
4913
4914                                         $url = $line["content_url"];
4915                                         $ctype = $line["content_type"];
4916
4917                                         if (!$ctype) $ctype = __("unknown type");
4918
4919                                         $filename = substr($url, strrpos($url, "/")+1);
4920
4921                                         $entry = format_inline_player($link, $url, $ctype);
4922
4923                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
4924                                                 $filename . " (" . $ctype . ")" . "</a>";
4925
4926                                         array_push($entries_html, $entry);
4927
4928                                         $entry = array();
4929
4930                                         $entry["type"] = $ctype;
4931                                         $entry["filename"] = $filename;
4932                                         $entry["url"] = $url;
4933
4934                                         array_push($entries, $entry);
4935                                 }
4936
4937                                 print "<div class=\"postEnclosures\">";
4938
4939                                 if (!get_pref($link, "STRIP_IMAGES")) {
4940                                         if ($always_display_enclosures ||
4941                                                                 !preg_match("/<img/i", $article_content)) {
4942
4943                                                 foreach ($entries as $entry) {
4944
4945                                                         if (preg_match("/image/", $entry["type"]) ||
4946                                                                         preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
4947
4948                                                                         print "<p><img
4949                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
4950                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"/></p>";
4951                                                         }
4952                                                 }
4953                                         }
4954                                 }
4955
4956                                 if (db_num_rows($result) == 1) {
4957                                         print __("Attachment:") . " ";
4958                                 } else {
4959                                         print __("Attachments:") . " ";
4960                                 }
4961
4962                                 print join(", ", $entries_html);
4963
4964                                 print "</div>";
4965                         }
4966
4967                         print "</div>";
4968
4969                         print "</div>";
4970
4971                 }
4972
4973                 if (!$zoom_mode) {
4974                         print "]]></article>";
4975                 } else {
4976                         print "
4977                                 <div style=\"text-align : center\">
4978                                 <button onclick=\"return window.close()\">".
4979                                         __("Close this window")."</button></div>";
4980                         print "</body></html>";
4981
4982                 }
4983
4984         }
4985
4986         function outputHeadlinesList($link, $feed, $subop, $view_mode, $limit, $cat_view,
4987                                         $next_unread_feed, $offset, $vgr_last_feed = false,
4988                                         $override_order = false) {
4989
4990                 $disable_cache = false;
4991
4992                 $timing_info = getmicrotime();
4993
4994                 $topmost_article_ids = array();
4995
4996                 if (!$offset) {
4997                         $offset = 0;
4998                 }
4999
5000                 if ($subop == "undefined") $subop = "";
5001
5002                 $subop_split = split(":", $subop);
5003
5004                 if ($subop == "CatchupSelected") {
5005                         $ids = split(",", db_escape_string($_REQUEST["ids"]));
5006                         $cmode = sprintf("%d", $_REQUEST["cmode"]);
5007
5008                         catchupArticlesById($link, $ids, $cmode);
5009                 }
5010
5011                 if ($subop == "ForceUpdate" && sprintf("%d", $feed) > 0) {
5012                         update_generic_feed($link, $feed, $cat_view, true);
5013                 }
5014
5015                 if ($subop == "MarkAllRead")  {
5016                         catchup_feed($link, $feed, $cat_view);
5017
5018                         if (get_pref($link, 'ON_CATCHUP_SHOW_NEXT_FEED')) {
5019                                 if ($next_unread_feed) {
5020                                         $feed = $next_unread_feed;
5021                                 }
5022                         }
5023                 }
5024
5025                 if ($subop_split[0] == "MarkAllReadGR")  {
5026                         catchup_feed($link, $subop_split[1], false);
5027                 }
5028
5029
5030                 if ($feed_id > 0) {
5031                         $result = db_query($link,
5032                                 "SELECT id FROM ttrss_feeds WHERE id = '$feed' LIMIT 1");
5033
5034                         if (db_num_rows($result) == 0) {
5035                                 print "<div align='center'>".__('Feed not found.')."</div>";
5036                                 return;
5037                         }
5038                 }
5039
5040                 if (preg_match("/^-?[0-9][0-9]*$/", $feed) != false) {
5041
5042                         $result = db_query($link, "SELECT rtl_content FROM ttrss_feeds
5043                                 WHERE id = '$feed' AND owner_uid = " . $_SESSION["uid"]);
5044
5045                         if (db_num_rows($result) == 1) {
5046                                 $rtl_content = sql_bool_to_bool(db_fetch_result($result, 0, "rtl_content"));
5047                         } else {
5048                                 $rtl_content = false;
5049                         }
5050
5051                         if ($rtl_content) {
5052                                 $rtl_tag = "dir=\"RTL\"";
5053                         } else {
5054                                 $rtl_tag = "";
5055                         }
5056                 } else {
5057                         $rtl_tag = "";
5058                         $rtl_content = false;
5059                 }
5060
5061                 $script_dt_add = get_script_dt_add();
5062
5063                 /// START /////////////////////////////////////////////////////////////////////////////////
5064
5065                 $search = db_escape_string($_REQUEST["query"]);
5066
5067                 if ($search) {
5068                         $disable_cache = true;
5069                 }
5070
5071                 $search_mode = db_escape_string($_REQUEST["search_mode"]);
5072                 $match_on = db_escape_string($_REQUEST["match_on"]);
5073
5074                 if (!$match_on) {
5075                         $match_on = "both";
5076                 }
5077
5078                 $real_offset = $offset * $limit;
5079
5080                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H0", $timing_info);
5081
5082                 $qfh_ret = queryFeedHeadlines($link, $feed, $limit, $view_mode, $cat_view,
5083                         $search, $search_mode, $match_on, $override_order, $real_offset);
5084
5085                 if ($_REQUEST["debug"]) $timing_info = print_checkpoint("H1", $timing_info);
5086
5087                 $result = $qfh_ret[0];
5088                 $feed_title = $qfh_ret[1];
5089                 $feed_site_url = $qfh_ret[2];
5090                 $last_error = $qfh_ret[3];
5091
5092                 $vgroup_last_feed = $vgr_last_feed;
5093
5094                 if ($feed == -2) {
5095                         $feed_site_url = article_publish_url($link);
5096                 }
5097
5098                 /// STOP //////////////////////////////////////////////////////////////////////////////////
5099
5100                 if (!$offset) {
5101                         print "<div id=\"headlinesContainer\" $rtl_tag>";
5102
5103                         if (!$result) {
5104                                 print "<div align='center'>".__("Could not display feed (query failed). Please check label match syntax or local configuration.")."</div>";
5105                                 return;
5106                         }
5107
5108                         print_headline_subtoolbar($link, $feed_site_url, $feed_title,
5109                                 $feed, $cat_view, $search, $match_on, $search_mode, $view_mode);
5110
5111                         print "<div id=\"headlinesInnerContainer\" onscroll=\"headlines_scroll_handler()\">";
5112                 }
5113
5114                 $headlines_count = db_num_rows($result);
5115
5116                 if (db_num_rows($result) > 0) {
5117
5118 #                       print "\{$offset}";
5119
5120                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5121                                 print "<table class=\"headlinesList\" id=\"headlinesList\"
5122                                         cellspacing=\"0\">";
5123                         }
5124
5125                         $lnum = $limit*$offset;
5126
5127                         error_reporting (DEFAULT_ERROR_LEVEL);
5128
5129                         $num_unread = 0;
5130                         $cur_feed_title = '';
5131
5132                         $fresh_intl = get_pref($link, "FRESH_ARTICLE_MAX_AGE") * 60 * 60;
5133
5134                         while ($line = db_fetch_assoc($result)) {
5135
5136                                 $class = ($lnum % 2) ? "even" : "odd";
5137
5138                                 $id = $line["id"];
5139                                 $feed_id = $line["feed_id"];
5140
5141                                 $labels = get_article_labels($link, $id);
5142
5143                                 $labels_str = "<span id=\"HLLCTR-$id\">";
5144                                 $labels_str .= format_article_labels($labels, $id);
5145                                 $labels_str .= "</span>";
5146
5147                                 if (count($topmost_article_ids) < 5) {
5148                                         array_push($topmost_article_ids, $id);
5149                                 }
5150
5151                                 if ($line["last_read"] == "" && !sql_bool_to_bool($line["unread"])) {
5152
5153                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5154                                                 theme_image($link, 'images/updated.png')."\"
5155                                                 alt=\"Updated\">";
5156                                 } else {
5157                                         $update_pic = "<img id='FUPDPIC-$id' src=\"images/blank_icon.gif\"
5158                                                 alt=\"Updated\">";
5159                                 }
5160
5161                                 if (sql_bool_to_bool($line["unread"]) &&
5162                                         time() - strtotime($line["updated_noms"]) < $fresh_intl) {
5163
5164                                         $update_pic = "<img id='FUPDPIC-$id' src=\"".
5165                                                 theme_image($link, 'images/fresh_sign.png')."\" alt=\"Fresh\">";
5166                                 }
5167
5168                                 if ($line["unread"] == "t" || $line["unread"] == "1") {
5169                                         $class .= "Unread";
5170                                         ++$num_unread;
5171                                         $is_unread = true;
5172                                 } else {
5173                                         $is_unread = false;
5174                                 }
5175
5176                                 if ($line["marked"] == "t" || $line["marked"] == "1") {
5177                                         $marked_pic = "<img id=\"FMPIC-$id\"
5178                                                 src=\"".theme_image($link, 'images/mark_set.png')."\"
5179                                                 class=\"markedPic\" alt=\"Unstar article\"
5180                                                 onclick='javascript:tMark($id)'>";
5181                                 } else {
5182                                         $marked_pic = "<img id=\"FMPIC-$id\"
5183                                                 src=\"".theme_image($link, 'images/mark_unset.png')."\"
5184                                                 class=\"markedPic\" alt=\"Star article\"
5185                                                 onclick='javascript:tMark($id)'>";
5186                                 }
5187
5188                                 if ($line["published"] == "t" || $line["published"] == "1") {
5189                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5190                                                 'images/pub_set.png')."\"
5191                                                 class=\"markedPic\"
5192                                                 alt=\"Unpublish article\" onclick='javascript:tPub($id)'>";
5193                                 } else {
5194                                         $published_pic = "<img id=\"FPPIC-$id\" src=\"".theme_image($link,
5195                                                 'images/pub_unset.png')."\"
5196                                                 class=\"markedPic\"
5197                                                 alt=\"Publish article\" onclick='javascript:tPub($id)'>";
5198                                 }
5199
5200 #                               $content_link = "<a target=\"_blank\" href=\"".$line["link"]."\">" .
5201 #                                       $line["title"] . "</a>";
5202
5203 #                               $content_link = "<a
5204 #                                       href=\"" . htmlspecialchars($line["link"]) . "\"
5205 #                                       onclick=\"view($id,$feed_id);\">" .
5206 #                                       $line["title"] . "</a>";
5207
5208 #                               $content_link = "<a href=\"javascript:viewContentUrl('".$line["link"]."');\">" .
5209 #                                       $line["title"] . "</a>";
5210
5211                                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
5212                                         $updated_fmt = smart_date_time(strtotime($line["updated_noms"]));
5213                                 } else {
5214                                         $short_date = get_pref($link, 'SHORT_DATE_FORMAT');
5215                                         $updated_fmt = date($short_date, strtotime($line["updated_noms"]));
5216                                 }
5217
5218                                 if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5219                                         $content_preview = truncate_string(strip_tags($line["content_preview"]),
5220                                                 100);
5221                                 }
5222
5223                                 $score = $line["score"];
5224
5225                                 $score_pic = theme_image($link,
5226                                         "images/" . get_score_pic($score));
5227
5228 /*                              $score_title = __("(Click to change)");
5229                                 $score_pic = "<img class='hlScorePic' src=\"images/$score_pic\"
5230                                         onclick=\"adjustArticleScore($id, $score)\" title=\"$score $score_title\">"; */
5231
5232                                 $score_pic = "<img class='hlScorePic' src=\"$score_pic\"
5233                                         title=\"$score\">";
5234
5235                                 if ($score > 500) {
5236                                         $hlc_suffix = "H";
5237                                 } else if ($score < -100) {
5238                                         $hlc_suffix = "L";
5239                                 } else {
5240                                         $hlc_suffix = "";
5241                                 }
5242
5243                                 $entry_author = $line["author"];
5244
5245                                 if ($entry_author) {
5246                                         $entry_author = " - $entry_author";
5247                                 }
5248
5249                                 $has_feed_icon = feed_has_icon($feed_id);
5250
5251                                 if ($has_feed_icon) {
5252                                         $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5253                                 } else {
5254                                         //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5255                                         $feed_icon_img = "";
5256                                 }
5257
5258                                 if (!get_pref($link, 'COMBINED_DISPLAY_MODE')) {
5259
5260                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5261                                                 if ($feed_id != $vgroup_last_feed && $line["feed_title"]) {
5262
5263                                                         $cur_feed_title = $line["feed_title"];
5264                                                         $vgroup_last_feed = $feed_id;
5265
5266                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5267
5268                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5269
5270                                                         print "<tr class='feedTitle'><td colspan='7'>".
5271                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5272                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5273                                                                 $line["feed_title"]."</a> $vf_catchup_link</td></tr>";
5274                                                 }
5275                                         }
5276
5277                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5278                                                 onmouseout='postMouseOut($id)'";
5279
5280                                         print "<tr class='$class' id='RROW-$id' $mouseover_attrs>";
5281
5282                                         print "<td class='hlUpdPic'>$update_pic</td>";
5283
5284                                         print "<td class='hlSelectRow'>
5285                                                 <input type=\"checkbox\" onclick=\"tSR(this)\"
5286                                                         id=\"RCHK-$id\">
5287                                                 </td>";
5288
5289                                         print "<td class='hlMarkedPic'>$marked_pic</td>";
5290                                         print "<td class='hlMarkedPic'>$published_pic</td>";
5291
5292 #                                       if ($line["feed_title"]) {
5293 #                                               print "<td class='hlContent'>$content_link</td>";
5294 #                                               print "<td class='hlFeed'>
5295 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5296 #                                                               truncate_string($line["feed_title"],30)."</a>&nbsp;</td>";
5297 #                                       } else {
5298
5299                                         print "<td onclick='view($id)' class='hlContent$hlc_suffix' valign='middle' id='HLC-$id'>";
5300
5301                                         print "<a id=\"RTITLE-$id\"
5302                                                 href=\"" . htmlspecialchars($line["link"]) . "\"
5303                                                 onclick=\"return false\">" .
5304                                                 $line["title"];
5305
5306                                         if (get_pref($link, 'SHOW_CONTENT_PREVIEW')) {
5307                                                 if ($content_preview) {
5308                                                         print "<span class=\"contentPreview\"> - $content_preview</span>";
5309                                                 }
5310                                         }
5311
5312                                         print "</a>";
5313
5314                                         print $labels_str;
5315
5316 #                                                       <a href=\"javascript:viewfeed($feed_id, '', false)\">".
5317 #                                                       $line["feed_title"]."</a>
5318
5319                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5320                                                 if ($line["feed_title"]) {
5321                                                         print "<span class=\"hlFeed\">
5322                                                                 (<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5323                                                                 $line["feed_title"]."</a>)
5324                                                         </span>";
5325                                                 }
5326                                         }
5327
5328 //                                      print "<img id='HLL-$id' class='hlLoading'
5329 //                                              src='images/indicator_tiny.gif' style='display : none'>";
5330
5331                                         print "</td>";
5332
5333 #                                       }
5334
5335                                         print "<td class=\"hlUpdated\" onclick='view($id)'><nobr>$updated_fmt&nbsp;</nobr></td>";
5336
5337                                         print "<td class='hlMarkedPic'>$score_pic</td>";
5338
5339                                         if ($line["feed_title"] && !get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5340                                                 print "<td onclick=\"viewfeed($feed_id)\" class=\"hlFeedIcon\">$feed_icon_img</td>";
5341                                         }
5342
5343                                         print "</tr>";
5344
5345                                 } else {
5346
5347                                         if (get_pref($link, 'VFEED_GROUP_BY_FEED') && $line["feed_title"]) {
5348                                                 if ($feed_id != $vgroup_last_feed) {
5349
5350                                                         $cur_feed_title = $line["feed_title"];
5351                                                         $vgroup_last_feed = $feed_id;
5352
5353                                                         $cur_feed_title = htmlspecialchars($cur_feed_title);
5354
5355                                                         $vf_catchup_link = "(<a onclick='javascript:catchupFeedInGroup($feed_id);' href='#'>".__('mark as read')."</a>)";
5356
5357                                                         $has_feed_icon = feed_has_icon($feed_id);
5358
5359                                                         if ($has_feed_icon) {
5360                                                                 $feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"".ICONS_URL."/$feed_id.ico\" alt=\"\">";
5361                                                         } else {
5362                                                                 //$feed_icon_img = "<img class=\"tinyFeedIcon\" src=\"images/blank_icon.gif\" alt=\"\">";
5363                                                         }
5364
5365                                                         print "<div class='cdmFeedTitle'>".
5366                                                                 "<div style=\"float : right\">$feed_icon_img</div>".
5367                                                                 "<a href=\"javascript:viewfeed($feed_id, '', false)\">".
5368                                                                 $line["feed_title"]."</a> $vf_catchup_link</div>";
5369                                                 }
5370                                         }
5371
5372                                         if ($is_unread) {
5373                                                 $add_class = "Unread";
5374                                         } else {
5375                                                 $add_class = "";
5376                                         }
5377
5378                                         $expand_cdm = get_pref($link, 'CDM_EXPANDED');
5379                                         $show_excerpt = false;
5380
5381                                         if ($expand_cdm && $score >= -100) {
5382                                                 $cdm_cstyle = "";
5383                                                 $show_excerpt = false;
5384                                         } else {
5385                                                 $cdm_cstyle = "style=\"display : none\"";
5386                                                 $show_excerpt = true;
5387                                         }
5388
5389                                         $mouseover_attrs = "onmouseover='postMouseIn($id)'
5390                                                 onmouseout='postMouseOut($id)'";
5391
5392                                         print "<div class=\"cdmArticle$add_class\"
5393                                                 id=\"RROW-$id\"
5394                                                 $mouseover_attrs'>";
5395
5396                                         print "<div class=\"cdmHeader\">";
5397
5398                                         if (!get_pref($link, "VFEED_GROUP_BY_FEED") || !$line["feed_title"]) {
5399                                                 $cdm_feed_icon = "<span style=\"cursor : pointer\" onclick=\"viewfeed($feed_id)\">$feed_icon_img</span>";
5400                                         }
5401
5402                                         print "<div class=\"articleUpdated\">$updated_fmt $score_pic $cdm_feed_icon
5403                                                 </div>";
5404
5405                                         print "<span id=\"RTITLE-$id\" class=\"titleWrap$hlc_suffix\"><a class=\"title\"
5406                                                 onclick=\"javascript:toggleUnread($id, 0)\"
5407                                                 target=\"_blank\" href=\"".$line["link"]."\">".$line["title"]."</a>
5408                                                 ";
5409
5410                                         print $entry_author;
5411
5412 /*                                      if (!$expand_cdm || $score < -100) {
5413                                                 print "&nbsp;<a id=\"CICH-$id\"
5414                                                         href=\"javascript:cdmExpandArticle($id)\">
5415                                                         (".__('Show article').")</a>";
5416                                         } */
5417
5418                                         print $labels_str;
5419
5420                                         if (!get_pref($link, 'VFEED_GROUP_BY_FEED')) {
5421                                                 if ($line["feed_title"]) {
5422                                                         print "&nbsp;(<a href='javascript:viewfeed($feed_id)'>".$line["feed_title"]."</a>)";
5423                                                 }
5424                                         }
5425
5426                                         print "</span></div>";
5427
5428                                         if ($show_excerpt) {
5429                                                 print "<div class=\"cdmExcerpt\" id=\"CEXC-$id\"
5430                                                         onclick=\"cdmExpandArticle($id)\"
5431                                                         title=\"".__('Click to expand article')."\">";
5432
5433                                                 $content_preview = trim(truncate_string(strip_tags($line["content_preview"]), 100));
5434
5435                                                 if (strlen($content_preview) != 0) {
5436                                                         print $content_preview;
5437                                                 } else {
5438                                                         print __('Click to expand article');
5439                                                 }
5440                                                 print "</div>";
5441                                         }
5442
5443                                         print "<div class=\"cdmContent\"
5444                                                 onclick=\"cdmClicked($id)\"
5445                                                 id=\"CICD-$id\" $cdm_cstyle>";
5446
5447                                         if ($line["orig_feed_id"]) {
5448
5449                                                 $tmp_result = db_query($link, "SELECT * FROM ttrss_archived_feeds
5450                                                 WHERE id = ".$line["orig_feed_id"]);
5451
5452                                                 if (db_num_rows($tmp_result) != 0) {
5453
5454                                                 print "<div clear='both'>";
5455                                                 print __("Originally from:");
5456
5457                                                 print "&nbsp;";
5458
5459                                                 $tmp_line = db_fetch_assoc($tmp_result);
5460
5461                                                 print "<a target='_blank'
5462                                                         href=' " . htmlspecialchars($tmp_line['site_url']) . "'>" .
5463                                                         $tmp_line['title'] . "</a>";
5464
5465                                                 print "&nbsp;";
5466
5467                                                 print "<a target='_blank' href='" . htmlspecialchars($tmp_line['feed_url']) . "'>";
5468                                                 print "<img title='".__('Feed URL')."'class='tinyFeedIcon' src='images/pub_set.gif'></a>";
5469
5470                                                 print "</div>";
5471                                         }
5472                                 }
5473
5474 //                                      print "<div class=\"cdmInnerContent\" id=\"CICD-$id\" $cdm_cstyle>";
5475
5476                                         print "<div id=\"POSTNOTE-$id\">";
5477                                         if ($line['note']) {
5478                                                 print format_article_note($id, $line['note']);
5479                                         }
5480                                         print "</div>";
5481
5482                                         print sanitize_rss($link, $line["content_preview"]);
5483
5484                                         $article_content = $line["content_preview"];
5485
5486                                         $e_result = db_query($link, "SELECT * FROM ttrss_enclosures WHERE
5487                                                 post_id = '$id' AND content_url != ''");
5488
5489                                         if (db_num_rows($e_result) > 0) {
5490
5491                                 $entries_html = array();
5492                                 $entries = array();
5493
5494                                 while ($e_line = db_fetch_assoc($e_result)) {
5495
5496                                         $url = $e_line["content_url"];
5497                                         $ctype = $e_line["content_type"];
5498                                         if (!$ctype) $ctype = __("unknown type");
5499
5500                                         $filename = substr($url, strrpos($url, "/")+1);
5501
5502                                         $entry = format_inline_player($link, $url, $ctype);
5503
5504                                         $entry .= " <a target=\"_blank\" href=\"" . htmlspecialchars($url) . "\">" .
5505                                                 $filename . " (" . $ctype . ")" . "</a>";
5506
5507                                         array_push($entries_html, $entry);
5508
5509                                         $entry = array();
5510
5511                                         $entry["type"] = $ctype;
5512                                         $entry["filename"] = $filename;
5513                                         $entry["url"] = $url;
5514
5515                                         array_push($entries, $entry);
5516                                 }
5517
5518                                 $tmp_result = db_query($link, "SELECT always_display_enclosures FROM
5519                                         ttrss_feeds WHERE id = ".
5520                                                 (($line['feed_id'] == null) ? $line['orig_feed_id'] :
5521                                                                 $line['feed_id'])." AND owner_uid = ".$_SESSION["uid"]);
5522
5523                                 $always_display_enclosures = db_fetch_result($tmp_result, 0, "always_display_enclosures");
5524
5525                                 if (!get_pref($link, "STRIP_IMAGES")) {
5526                                         if ($always_display_enclosures ||
5527                                                                         !preg_match("/img/i", $article_content)) {
5528
5529                                                 foreach ($entries as $entry) {
5530                                                         if (preg_match("/image/", $entry["type"]) ||
5531                                                                 preg_match("/\.(jpg|png|gif|bmp)/i", $entry["filename"])) {
5532                                                                 print "<p><img
5533                                                                         alt=\"".htmlspecialchars($entry["filename"])."\"
5534                                                                         src=\"" .htmlspecialchars($entry["url"]) . "\"></p>";
5535                                                         }
5536                                                 }
5537                                         }
5538                                 }
5539
5540                                 print "<div class=\"cdmEnclosures\">";
5541
5542                                 if (db_num_rows($e_result) == 1) {
5543                                         print __("Attachment:") . " ";
5544                                 } else {
5545                                         print __("Attachments:") . " ";
5546                                 }
5547
5548                                 print join(", ", $entries_html);
5549
5550                                 print "</div>";
5551                         }
5552
5553
5554                                         print "<br clear='both'>";
5555 //                                      print "</div>";
5556
5557 /*                                      if (!$expand_cdm) {
5558                                                 print "<a id=\"CICH-$id\"
5559                                                         href=\"javascript:cdmExpandArticle($id)\">
5560                                                         Show article</a>";
5561                                         } */
5562
5563                                         print "</div>";
5564
5565                                         print "<div class=\"cdmFooter\"><span class='s0'>";
5566
5567                                         /* print "<div class=\"markedPic\">Star it: $marked_pic</div>"; */
5568
5569                                         print __("Select:").
5570                                                         " <input type=\"checkbox\" onclick=\"toggleSelectRowById(this,
5571                                                         'RROW-$id')\" class=\"feedCheckBox\" id=\"RCHK-$id\">";
5572
5573                                         print "</span><span class='s1'>$marked_pic&nbsp;";
5574                                         print "$published_pic&nbsp;";
5575                                         print "<img src=\"images/art-zoom.png\" class='tagsPic'
5576                                                 onclick=\"zoomToArticle($id)\"
5577                                                 style=\"cursor : pointer\"
5578                                                 alt='Zoom'
5579                                                 title='".__('Show article summary in new window')."'>&nbsp;";
5580
5581                                         $note_escaped = htmlspecialchars($line['note'], ENT_QUOTES);
5582
5583                                         print "<img src=\"images/art-pub-note.png\" class='tagsPic'
5584                                                 style=\"cursor : pointer\" style=\"cursor : pointer\"
5585                                                 onclick=\"publishWithNote($id, '$note_escaped')\"
5586                                                 alt='PubNote' title='".__('Publish article with a note')."'>";
5587
5588                                         print "</span>";
5589
5590                                         $tags_str = format_tags_string(get_article_tags($link, $id), $id);
5591
5592                                         print "<span class='s1'>
5593                                                 <img class='tagsPic' src='".theme_image($link,
5594                                                         'images/tag.png')."' alt='Tags' title='Tags'>
5595                                                 <span id=\"ATSTR-$id\">$tags_str</span>
5596                                                 <a title=\"".__('Edit tags for this article')."\"
5597                                                 href=\"javascript:editArticleTags($id, $feed_id, true)\">(+)</a>";
5598
5599                                         print "</span>";
5600
5601                                         print "<span class='s2'><a class=\"cdmToggleLink\"
5602                                                         href=\"javascript:toggleUnread($id)\">
5603                                                         ".__('toggle unread')."</a></span>";
5604
5605                                         print "</div>";
5606                                         print "</div>";
5607
5608                                 }
5609
5610                                 ++$lnum;
5611                         }
5612
5613                         if (!get_pref($link, 'COMBINED_DISPLAY_MODE') && !$offset) {
5614                                 print "</table>";
5615                         }
5616
5617                 } else {
5618                         $message = "";
5619
5620                         switch ($view_mode) {
5621                                 case "unread":
5622                                         $message = __("No unread articles found to display.");
5623                                         break;
5624                                 case "updated":
5625                                         $message = __("No updated articles found to display.");
5626                                         break;
5627                                 case "marked":
5628                                         $message = __("No starred articles found to display.");
5629                                         break;
5630                                 default:
5631                                         if ($feed < -10) {
5632                                                 $message = __("No articles found to display. You can assign articles to labels manually (see the Actions menu above) or use a filter.");
5633                                         } else {
5634                                                 $message = __("No articles found to display.");
5635                                         }
5636                         }
5637
5638                         if (!$offset) print "<div class='whiteBox'>$message</div>";
5639                 }
5640
5641                 if (!$offset) {
5642                         print "</div>";
5643                         print "</div>";
5644                 }
5645
5646                 return array($topmost_article_ids, $headlines_count, $feed, $disable_cache, $vgroup_last_feed);
5647         }
5648
5649 // from here: http://www.roscripts.com/Create_tag_cloud-71.html
5650
5651         function printTagCloud($link) {
5652
5653                 $query = "SELECT tag_name, COUNT(post_int_id) AS count
5654                         FROM ttrss_tags WHERE owner_uid = ".$_SESSION["uid"]."
5655                         GROUP BY tag_name ORDER BY count DESC LIMIT 50";
5656
5657                 $result = db_query($link, $query);
5658
5659                 $tags = array();
5660
5661                 while ($line = db_fetch_assoc($result)) {
5662                         $tags[$line["tag_name"]] = $line["count"];
5663                 }
5664
5665                 ksort($tags);
5666
5667                 $max_size = 32; // max font size in pixels
5668                 $min_size = 11; // min font size in pixels
5669
5670                 // largest and smallest array values
5671                 $max_qty = max(array_values($tags));
5672                 $min_qty = min(array_values($tags));
5673
5674                 // find the range of values
5675                 $spread = $max_qty - $min_qty;
5676                 if ($spread == 0) { // we don't want to divide by zero
5677                                 $spread = 1;
5678                 }
5679
5680                 // set the font-size increment
5681                 $step = ($max_size - $min_size) / ($spread);
5682
5683                 // loop through the tag array
5684                 foreach ($tags as $key => $value) {
5685                         // calculate font-size
5686                         // find the $value in excess of $min_qty
5687                         // multiply by the font-size increment ($size)
5688                         // and add the $min_size set above
5689                         $size = round($min_size + (($value - $min_qty) * $step));
5690
5691                         $key_escaped = str_replace("'", "\\'", $key);
5692
5693                         echo "<a href=\"javascript:viewfeed('$key_escaped') \" style=\"font-size: " .
5694                                 $size . "px\" title=\"$value articles tagged with " .
5695                                 $key . '">' . $key . '</a> ';
5696                 }
5697         }
5698
5699         function print_checkpoint($n, $s) {
5700                 $ts = getmicrotime();
5701                 echo sprintf("<!-- CP[$n] %.4f seconds -->", $ts - $s);
5702                 return $ts;
5703         }
5704
5705         function sanitize_tag($tag) {
5706                 $tag = trim($tag);
5707
5708                 $tag = mb_strtolower($tag, 'utf-8');
5709
5710                 $tag = preg_replace('/[\"\+\>\<]/', "", $tag);
5711
5712 //              $tag = str_replace('"', "", $tag);
5713 //              $tag = str_replace("+", " ", $tag);
5714                 $tag = str_replace("technorati tag: ", "", $tag);
5715
5716                 return $tag;
5717         }
5718
5719         function generate_publish_key() {
5720                 return sha1(uniqid(rand(), true));
5721         }
5722
5723         function article_publish_url($link) {
5724
5725                 $url_path = "";
5726
5727
5728                 if ($_SERVER['HTTPS'] != "on") {
5729                         $url_path = "http://";
5730                 } else {
5731                         $url_path = "https://";
5732                 }
5733
5734                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5735                 $url_path .= "/backend.php?op=publish&key=" .
5736                         get_pref($link, "_PREFS_PUBLISH_KEY", $_SESSION["uid"]);
5737
5738                 return $url_path;
5739         }
5740         function opml_publish_url($link){
5741                 $url_path = "";
5742
5743
5744                 if ($_SERVER['HTTPS'] != "on") {
5745                         $url_path = "http://";
5746                 } else {
5747                         $url_path = "https://";
5748                 }
5749
5750                 $url_path .= $_SERVER['HTTP_HOST'].dirname($_SERVER['PHP_SELF']);
5751                 $url_path .= "/opml.php?op=publish&key=" .
5752                         get_pref($link, "_PREFS_PUBLISH_KEY", $_SESSION["uid"]);
5753
5754                 return $url_path;
5755         }
5756
5757         /**
5758          * Purge a feed contents, marked articles excepted.
5759          *
5760          * @param mixed $link The database connection.
5761          * @param integer $id The id of the feed to purge.
5762          * @return void
5763          */
5764         function clear_feed_articles($link, $id) {
5765
5766                 if ($id != 0) {
5767                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5768                         WHERE feed_id = '$id' AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5769                 } else {
5770                         $result = db_query($link, "DELETE FROM ttrss_user_entries
5771                         WHERE feed_id IS NULL AND marked = false AND owner_uid = " . $_SESSION["uid"]);
5772                 }
5773
5774                 $result = db_query($link, "DELETE FROM ttrss_entries WHERE
5775                         (SELECT COUNT(int_id) FROM ttrss_user_entries WHERE ref_id = id) = 0");
5776
5777                 ccache_update($link, $id, $_SESSION['uid']);
5778         } // function clear_feed_articles
5779
5780         /**
5781          * Compute the Mozilla Firefox feed adding URL from server HOST and REQUEST_URI.
5782          *
5783          * @return string The Mozilla Firefox feed adding URL.
5784          */
5785         function add_feed_url() {
5786                 $url_path = ($_SERVER['HTTPS'] != "on" ? 'http://' :  'https://') . $_SERVER["HTTP_HOST"] . parse_url($_SERVER["REQUEST_URI"], PHP_URL_PATH);
5787                 $url_path .= "?op=pref-feeds&quiet=1&subop=add&feed_url=%s";
5788                 return $url_path;
5789         } // function add_feed_url
5790
5791         /**
5792          * Encrypt a password in SHA1.
5793          *
5794          * @param string $pass The password to encrypt.
5795          * @param string $login A optionnal login.
5796          * @return string The encrypted password.
5797          */
5798         function encrypt_password($pass, $login = '') {
5799                 if ($login) {
5800                         return "SHA1X:" . sha1("$login:$pass");
5801                 } else {
5802                         return "SHA1:" . sha1($pass);
5803                 }
5804         } // function encrypt_password
5805
5806         /**
5807          * Update a feed batch.
5808          * Used by daemons to update n feeds by run.
5809          * Only update feed needing a update, and not being processed
5810          * by another process.
5811          *
5812          * @param mixed $link Database link
5813          * @param integer $limit Maximum number of feeds in update batch. Default to DAEMON_FEED_LIMIT.
5814          * @param boolean $from_http Set to true if you call this function from http to disable cli specific code.
5815          * @param boolean $debug Set to false to disable debug output. Default to true.
5816          * @return void
5817          */
5818         function update_daemon_common($link, $limit = DAEMON_FEED_LIMIT, $from_http = false, $debug = true) {
5819                 // Process all other feeds using last_updated and interval parameters
5820
5821                 // Test if the user has loggued in recently. If not, it does not update its feeds.
5822                 if (DAEMON_UPDATE_LOGIN_LIMIT > 0) {
5823                         if (DB_TYPE == "pgsql") {
5824                                 $login_thresh_qpart = "AND ttrss_users.last_login >= NOW() - INTERVAL '".DAEMON_UPDATE_LOGIN_LIMIT." days'";
5825                         } else {
5826                                 $login_thresh_qpart = "AND ttrss_users.last_login >= DATE_SUB(NOW(), INTERVAL ".DAEMON_UPDATE_LOGIN_LIMIT." DAY)";
5827                         }
5828                 } else {
5829                         $login_thresh_qpart = "";
5830                 }
5831
5832                 // Test if the feed need a update (update interval exceded).
5833                 if (DB_TYPE == "pgsql") {
5834                         $update_limit_qpart = "AND ((
5835                                         ttrss_feeds.update_interval = 0
5836                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_user_prefs.value || ' minutes') AS INTERVAL)
5837                                 ) OR (
5838                                         ttrss_feeds.update_interval > 0
5839                                         AND ttrss_feeds.last_updated < NOW() - CAST((ttrss_feeds.update_interval || ' minutes') AS INTERVAL)
5840                                 ) OR ttrss_feeds.last_updated IS NULL)";
5841                 } else {
5842                         $update_limit_qpart = "AND ((
5843                                         ttrss_feeds.update_interval = 0
5844                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL CONVERT(ttrss_user_prefs.value, SIGNED INTEGER) MINUTE)
5845                                 ) OR (
5846                                         ttrss_feeds.update_interval > 0
5847                                         AND ttrss_feeds.last_updated < DATE_SUB(NOW(), INTERVAL ttrss_feeds.update_interval MINUTE)
5848                                 ) OR ttrss_feeds.last_updated IS NULL)";
5849                 }
5850
5851                 // Test if feed is currently being updated by another process.
5852                 if (DB_TYPE == "pgsql") {
5853                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < NOW() - INTERVAL '120 seconds')";
5854                 } else {
5855                         $updstart_thresh_qpart = "AND (ttrss_feeds.last_update_started IS NULL OR ttrss_feeds.last_update_started < DATE_SUB(NOW(), INTERVAL 120 SECOND))";
5856                 }
5857
5858                 // Test if there is a limit to number of updated feeds
5859                 $query_limit = "";
5860                 if($limit) $query_limit = sprintf("LIMIT %d", $limit);
5861
5862                 $random_qpart = sql_random_function();
5863
5864                 // We search for feed needing update.
5865                 $result = db_query($link, "SELECT ttrss_feeds.feed_url,ttrss_feeds.id, ttrss_feeds.owner_uid,
5866                                 ".SUBSTRING_FOR_DATE."(ttrss_feeds.last_updated,1,19) AS last_updated,
5867                                 ttrss_feeds.update_interval
5868                         FROM
5869                                 ttrss_feeds, ttrss_users, ttrss_user_prefs
5870                         WHERE
5871                                 ttrss_feeds.owner_uid = ttrss_users.id
5872                                 AND ttrss_users.id = ttrss_user_prefs.owner_uid
5873                                 AND ttrss_user_prefs.pref_name = 'DEFAULT_UPDATE_INTERVAL'
5874                                 $login_thresh_qpart $update_limit_qpart
5875                          $updstart_thresh_qpart
5876                         ORDER BY $random_qpart $query_limit");
5877
5878                 $user_prefs_cache = array();
5879
5880                 if($debug) _debug(sprintf("Scheduled %d feeds to update...\n", db_num_rows($result)));
5881
5882                 // Here is a little cache magic in order to minimize risk of double feed updates.
5883                 $feeds_to_update = array();
5884                 while ($line = db_fetch_assoc($result)) {
5885                         $feeds_to_update[$line['id']] = $line;
5886                 }
5887
5888                 // We update the feed last update started date before anything else.
5889                 // There is no lag due to feed contents downloads
5890                 // It prevent an other process to update the same feed.
5891                 $feed_ids = array_keys($feeds_to_update);
5892                 if($feed_ids) {
5893                         db_query($link, sprintf("UPDATE ttrss_feeds SET last_update_started = NOW()
5894                                 WHERE id IN (%s)", implode(',', $feed_ids)));
5895                 }
5896
5897                 // For each feed, we call the feed update function.
5898                 while ($line = array_pop($feeds_to_update)) {
5899
5900                         if($debug) _debug("Feed: " . $line["feed_url"] . ", " . $line["last_updated"]);
5901
5902                         update_rss_feed($link, $line["id"], true);
5903
5904                         sleep(1); // prevent flood (FIXME make this an option?)
5905                 }
5906
5907                 // Send feed digests by email if needed.
5908                 if (DAEMON_SENDS_DIGESTS) send_headlines_digests($link);
5909
5910                 purge_orphans($link);
5911
5912         } // function update_daemon_common
5913
5914         function sanitize_article_content($text) {
5915                 # we don't support CDATA sections in articles, they break our own escaping
5916                 $text = preg_replace("/\[\[CDATA/", "", $text);
5917                 $text = preg_replace("/\]\]\>/", "", $text);
5918                 return $text;
5919         }
5920
5921         function load_filters($link, $feed, $owner_uid, $action_id = false) {
5922                 $filters = array();
5923
5924                 global $memcache;
5925
5926                 $obj_id = md5("FILTER:$feed:$owner_uid:$action_id");
5927
5928                 if ($memcache && $obj = $memcache->get($obj_id)) {
5929
5930                         return $obj;
5931
5932                 } else {
5933
5934                         if ($action_id) $ftype_query_part = "action_id = '$action_id' AND";
5935
5936                         $result = db_query($link, "SELECT reg_exp,
5937                                 ttrss_filter_types.name AS name,
5938                                 ttrss_filter_actions.name AS action,
5939                                 inverse,
5940                                 action_param,
5941                                 filter_param
5942                                 FROM ttrss_filters,ttrss_filter_types,ttrss_filter_actions WHERE
5943                                         enabled = true AND
5944                                         $ftype_query_part
5945                                         owner_uid = $owner_uid AND
5946                                         ttrss_filter_types.id = filter_type AND
5947                                         ttrss_filter_actions.id = action_id AND
5948                                         (feed_id IS NULL OR feed_id = '$feed') ORDER BY reg_exp");
5949
5950                         while ($line = db_fetch_assoc($result)) {
5951                                 if (!$filters[$line["name"]]) $filters[$line["name"]] = array();
5952                                         $filter["reg_exp"] = $line["reg_exp"];
5953                                         $filter["action"] = $line["action"];
5954                                         $filter["action_param"] = $line["action_param"];
5955                                         $filter["filter_param"] = $line["filter_param"];
5956                                         $filter["inverse"] = sql_bool_to_bool($line["inverse"]);
5957
5958                                         array_push($filters[$line["name"]], $filter);
5959                                 }
5960
5961                         if ($memcache) $memcache->add($obj_id, $filters, 0, 3600*8);
5962
5963                         return $filters;
5964                 }
5965         }
5966
5967         function get_score_pic($score) {
5968                 if ($score > 100) {
5969                         return "score_high.png";
5970                 } else if ($score > 0) {
5971                         return "score_half_high.png";
5972                 } else if ($score < -100) {
5973                         return "score_low.png";
5974                 } else if ($score < 0) {
5975                         return "score_half_low.png";
5976                 } else {
5977                         return "score_neutral.png";
5978                 }
5979         }
5980
5981         function rounded_table_start($classname, $header = "&nbsp;") {
5982                 print "<table width='100%' class='$classname' cellspacing='0' cellpadding='0'>";
5983                 print "<tr><td class='c1'>&nbsp;</td><td class='top'>$header</td><td class='c2'>&nbsp;</td></tr>";
5984                 print "<tr><td class='left'>&nbsp;</td><td class='content'>";
5985         }
5986
5987         function rounded_table_end($footer = "&nbsp;") {
5988                 print "</td><td class='right'>&nbsp;</td></tr>";
5989                 print "<tr><td class='c4'>&nbsp;</td><td class='bottom'>$footer</td><td class='c3'>&nbsp;</td></tr>";
5990                 print "</table>";
5991         }
5992
5993         function feed_has_icon($id) {
5994                 return is_file(ICONS_DIR . "/$id.ico") && filesize(ICONS_DIR . "/$id.ico") > 0;
5995         }
5996
5997         function init_connection($link) {
5998                 if (DB_TYPE == "pgsql") {
5999                         pg_query($link, "set client_encoding = 'UTF-8'");
6000                         pg_set_client_encoding("UNICODE");
6001                         pg_query($link, "set datestyle = 'ISO, european'");
6002                 } else {
6003                         if (defined('MYSQL_CHARSET') && MYSQL_CHARSET) {
6004                                 db_query($link, "SET NAMES " . MYSQL_CHARSET);
6005         //                      db_query($link, "SET CHARACTER SET " . MYSQL_CHARSET);
6006                         }
6007                 }
6008         }
6009
6010         function update_feedbrowser_cache($link) {
6011
6012                 $result = db_query($link, "SELECT feed_url,title, COUNT(id) AS subscribers
6013                         FROM ttrss_feeds WHERE (SELECT COUNT(id) = 0 FROM ttrss_feeds AS tf
6014                                 WHERE tf.feed_url = ttrss_feeds.feed_url
6015                                 AND (private IS true OR feed_url LIKE '%:%@%/%'))
6016                                 GROUP BY feed_url, title ORDER BY subscribers DESC LIMIT 1000");
6017
6018                 db_query($link, "BEGIN");
6019
6020                 db_query($link, "DELETE FROM ttrss_feedbrowser_cache");
6021
6022                 $count = 0;
6023
6024                 while ($line = db_fetch_assoc($result)) {
6025                         $subscribers = db_escape_string($line["subscribers"]);
6026                         $feed_url = db_escape_string($line["feed_url"]);
6027                         $title = db_escape_string($line["title"]);
6028
6029                         $tmp_result = db_query($link, "SELECT subscribers FROM
6030                                 ttrss_feedbrowser_cache WHERE feed_url = '$feed_url'");
6031
6032                         if (db_num_rows($tmp_result) == 0) {
6033
6034                                 db_query($link, "INSERT INTO ttrss_feedbrowser_cache
6035                                         (feed_url, title, subscribers) VALUES ('$feed_url',
6036                                                 '$title', '$subscribers')");
6037
6038                                 ++$count;
6039
6040                         }
6041
6042                 }
6043
6044                 db_query($link, "COMMIT");
6045
6046                 return $count;
6047
6048         }
6049
6050         function ccache_zero($link, $feed_id, $owner_uid) {
6051                 db_query($link, "UPDATE ttrss_counters_cache SET
6052                         value = 0, updated = NOW() WHERE
6053                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6054         }
6055
6056         function ccache_zero_all($link, $owner_uid) {
6057                 db_query($link, "UPDATE ttrss_counters_cache SET
6058                         value = 0 WHERE owner_uid = '$owner_uid'");
6059
6060                 db_query($link, "UPDATE ttrss_cat_counters_cache SET
6061                         value = 0 WHERE owner_uid = '$owner_uid'");
6062         }
6063
6064         function ccache_remove($link, $feed_id, $owner_uid, $is_cat = false) {
6065
6066                 if (!$is_cat) {
6067                         $table = "ttrss_counters_cache";
6068                 } else {
6069                         $table = "ttrss_cat_counters_cache";
6070                 }
6071
6072                 db_query($link, "DELETE FROM $table WHERE
6073                         feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6074
6075         }
6076
6077         function ccache_update_all($link, $owner_uid) {
6078
6079                 if (get_pref($link, 'ENABLE_FEED_CATS', $owner_uid)) {
6080
6081                         $result = db_query($link, "SELECT feed_id FROM ttrss_cat_counters_cache
6082                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6083
6084                         while ($line = db_fetch_assoc($result)) {
6085                                 ccache_update($link, $line["feed_id"], $owner_uid, true);
6086                         }
6087
6088                         /* We have to manually include category 0 */
6089
6090                         ccache_update($link, 0, $owner_uid, true);
6091
6092                 } else {
6093                         $result = db_query($link, "SELECT feed_id FROM ttrss_counters_cache
6094                                 WHERE feed_id > 0 AND owner_uid = '$owner_uid'");
6095
6096                         while ($line = db_fetch_assoc($result)) {
6097                                 print ccache_update($link, $line["feed_id"], $owner_uid);
6098
6099                         }
6100
6101                 }
6102         }
6103
6104         function ccache_find($link, $feed_id, $owner_uid, $is_cat = false,
6105                 $no_update = false) {
6106
6107                 if (!is_numeric($feed_id)) return;
6108
6109                 if (!$is_cat) {
6110                         $table = "ttrss_counters_cache";
6111                         if ($feed_id > 0) {
6112                                 $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
6113                                         WHERE id = '$feed_id'");
6114                                 $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6115                         }
6116                 } else {
6117                         $table = "ttrss_cat_counters_cache";
6118                 }
6119
6120                 if (DB_TYPE == "pgsql") {
6121                         $date_qpart = "updated > NOW() - INTERVAL '15 minutes'";
6122                 } else if (DB_TYPE == "mysql") {
6123                         $date_qpart = "updated > DATE_SUB(NOW(), INTERVAL 15 MINUTE)";
6124                 }
6125
6126                 $result = db_query($link, "SELECT value FROM $table
6127                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id'
6128                         LIMIT 1");
6129
6130                 if (db_num_rows($result) == 1) {
6131                         return db_fetch_result($result, 0, "value");
6132                 } else {
6133                         if ($no_update) {
6134                                 return -1;
6135                         } else {
6136                                 return ccache_update($link, $feed_id, $owner_uid, $is_cat);
6137                         }
6138                 }
6139
6140         }
6141
6142         function ccache_update($link, $feed_id, $owner_uid, $is_cat = false,
6143                 $update_pcat = true) {
6144
6145                 if (!is_numeric($feed_id)) return;
6146
6147                 if (!$is_cat && $feed_id > 0) {
6148                         $tmp_result = db_query($link, "SELECT owner_uid FROM ttrss_feeds
6149                                 WHERE id = '$feed_id'");
6150                         $owner_uid = db_fetch_result($tmp_result, 0, "owner_uid");
6151                 }
6152
6153                 $prev_unread = ccache_find($link, $feed_id, $owner_uid, $is_cat, true);
6154
6155                 /* When updating a label, all we need to do is recalculate feed counters
6156                  * because labels are not cached */
6157
6158                 if ($feed_id < 0) {
6159                         ccache_update_all($link, $owner_uid);
6160                         return;
6161                 }
6162
6163                 if (!$is_cat) {
6164                         $table = "ttrss_counters_cache";
6165                 } else {
6166                         $table = "ttrss_cat_counters_cache";
6167                 }
6168
6169                 if ($is_cat && $feed_id >= 0) {
6170                         if ($feed_id != 0) {
6171                                 $cat_qpart = "cat_id = '$feed_id'";
6172                         } else {
6173                                 $cat_qpart = "cat_id IS NULL";
6174                         }
6175
6176                         /* Recalculate counters for child feeds */
6177
6178                         $result = db_query($link, "SELECT id FROM ttrss_feeds
6179                                                 WHERE owner_uid = '$owner_uid' AND $cat_qpart");
6180
6181                         while ($line = db_fetch_assoc($result)) {
6182                                 ccache_update($link, $line["id"], $owner_uid, false, false);
6183                         }
6184
6185                         $result = db_query($link, "SELECT SUM(value) AS sv
6186                                 FROM ttrss_counters_cache, ttrss_feeds
6187                                 WHERE id = feed_id AND $cat_qpart AND
6188                                 ttrss_feeds.owner_uid = '$owner_uid'");
6189
6190                         $unread = (int) db_fetch_result($result, 0, "sv");
6191
6192                 } else {
6193                         $unread = (int) getFeedArticles($link, $feed_id, $is_cat, true, $owner_uid);
6194                 }
6195
6196                 db_query($link, "BEGIN");
6197
6198                 $result = db_query($link, "SELECT feed_id FROM $table
6199                         WHERE owner_uid = '$owner_uid' AND feed_id = '$feed_id' LIMIT 1");
6200
6201                 if (db_num_rows($result) == 1) {
6202                         db_query($link, "UPDATE $table SET
6203                                 value = '$unread', updated = NOW() WHERE
6204                                 feed_id = '$feed_id' AND owner_uid = '$owner_uid'");
6205
6206                 } else {
6207                         db_query($link, "INSERT INTO $table
6208                                 (feed_id, value, owner_uid, updated)
6209                                 VALUES
6210                                 ($feed_id, $unread, $owner_uid, NOW())");
6211                 }
6212
6213                 db_query($link, "COMMIT");
6214
6215                 if ($feed_id > 0 && $prev_unread != $unread) {
6216
6217                         if (!$is_cat) {
6218
6219                                 /* Update parent category */
6220
6221                                 if ($update_pcat) {
6222
6223                                         $result = db_query($link, "SELECT cat_id FROM ttrss_feeds
6224                                                 WHERE owner_uid = '$owner_uid' AND id = '$feed_id'");
6225
6226                                         $cat_id = (int) db_fetch_result($result, 0, "cat_id");
6227
6228                                         ccache_update($link, $cat_id, $owner_uid, true);
6229
6230                                 }
6231                         }
6232                 } else if ($feed_id < 0) {
6233                         ccache_update_all($link, $owner_uid);
6234                 }
6235
6236                 return $unread;
6237         }
6238
6239         function label_find_id($link, $label, $owner_uid) {
6240                 $result = db_query($link,
6241                         "SELECT id FROM ttrss_labels2 WHERE caption = '$label'
6242                                 AND owner_uid = '$owner_uid' LIMIT 1");
6243
6244                 if (db_num_rows($result) == 1) {
6245                         return db_fetch_result($result, 0, "id");
6246                 } else {
6247                         return 0;
6248                 }
6249         }
6250
6251         function get_article_labels($link, $id) {
6252                 global $memcache;
6253
6254                 $result = db_query($link,
6255                         "SELECT DISTINCT label_id,caption,fg_color,bg_color
6256                                 FROM ttrss_labels2, ttrss_user_labels2
6257                         WHERE id = label_id
6258                                 AND article_id = '$id'
6259                                 AND owner_uid = ".$_SESSION["uid"] . "
6260                         ORDER BY caption");
6261
6262                 $obj_id = md5("LABELS:$id:" . $_SESSION["uid"]);
6263
6264                 $rv = array();
6265
6266                 if ($memcache && $obj = $memcache->get($obj_id)) {
6267                         return $obj;
6268                 } else {
6269                         while ($line = db_fetch_assoc($result)) {
6270                                 $rk = array($line["label_id"], $line["caption"], $line["fg_color"],
6271                                         $line["bg_color"]);
6272                                 array_push($rv, $rk);
6273                         }
6274                         if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6275                 }
6276
6277                 return $rv;
6278         }
6279
6280
6281         function label_find_caption($link, $label, $owner_uid) {
6282                 $result = db_query($link,
6283                         "SELECT caption FROM ttrss_labels2 WHERE id = '$label'
6284                                 AND owner_uid = '$owner_uid' LIMIT 1");
6285
6286                 if (db_num_rows($result) == 1) {
6287                         return db_fetch_result($result, 0, "caption");
6288                 } else {
6289                         return "";
6290                 }
6291         }
6292
6293         function label_remove_article($link, $id, $label, $owner_uid) {
6294
6295                 $label_id = label_find_id($link, $label, $owner_uid);
6296
6297                 if (!$label_id) return;
6298
6299                 $result = db_query($link,
6300                         "DELETE FROM ttrss_user_labels2
6301                         WHERE
6302                                 label_id = '$label_id' AND
6303                                 article_id = '$id'");
6304         }
6305
6306         function label_add_article($link, $id, $label, $owner_uid) {
6307
6308                 global $memcache;
6309
6310                 if ($memcache) {
6311                         $obj_id = md5("LABELS:$id:$owner_uid");
6312                         $memcache->delete($obj_id);
6313                 }
6314
6315                 $label_id = label_find_id($link, $label, $owner_uid);
6316
6317                 if (!$label_id) return;
6318
6319                 $result = db_query($link,
6320                         "SELECT
6321                                 article_id FROM ttrss_labels2, ttrss_user_labels2
6322                         WHERE
6323                                 label_id = id AND
6324                                 label_id = '$label_id' AND
6325                                 article_id = '$id' AND owner_uid = '$owner_uid'
6326                         LIMIT 1");
6327
6328                 if (db_num_rows($result) == 0) {
6329                         db_query($link, "INSERT INTO ttrss_user_labels2
6330                                 (label_id, article_id) VALUES ('$label_id', '$id')");
6331                 }
6332         }
6333
6334         function label_remove($link, $id, $owner_uid) {
6335                 global $memcache;
6336
6337                 if ($memcache) {
6338                         $obj_id = md5("LABELS:$id:$owner_uid");
6339                         $memcache->delete($obj_id);
6340                 }
6341
6342                 db_query($link, "BEGIN");
6343
6344                 $result = db_query($link, "SELECT caption FROM ttrss_labels2
6345                         WHERE id = '$id'");
6346
6347                 $caption = db_fetch_result($result, 0, "caption");
6348
6349                 $result = db_query($link, "DELETE FROM ttrss_labels2 WHERE id = '$id'
6350                         AND owner_uid = " . $_SESSION["uid"]);
6351
6352                 if (db_affected_rows($link, $result) != 0 && $caption) {
6353
6354                         /* Disable filters that reference label being removed */
6355
6356                         db_query($link, "UPDATE ttrss_filters SET
6357                                 enabled = false WHERE action_param = '$caption'
6358                                         AND action_id = 7
6359                                         AND owner_uid = " . $_SESSION["uid"]);
6360                         }
6361
6362                 db_query($link, "COMMIT");
6363         }
6364
6365         function label_create($link, $caption) {
6366
6367                 db_query($link, "BEGIN");
6368
6369                 $result = false;
6370
6371                 $result = db_query($link, "SELECT id FROM ttrss_labels2
6372                         WHERE caption = '$caption' AND owner_uid =  ". $_SESSION["uid"]);
6373
6374                 if (db_num_rows($result) == 0) {
6375                         $result = db_query($link,
6376                                 "INSERT INTO ttrss_labels2 (caption,owner_uid)
6377                                         VALUES ('$caption', '".$_SESSION["uid"]."')");
6378
6379                         $result = db_affected_rows($link, $result) != 0;
6380                 }
6381
6382                 db_query($link, "COMMIT");
6383
6384                 return $result;
6385         }
6386
6387         function print_labels_headlines_dropdown($link, $feed_id) {
6388                 print "<li onclick=\"javascript:addLabel()\">
6389                         &nbsp;&nbsp;".__("Create label...")."</li>";
6390
6391                 $result = db_query($link, "SELECT id, caption FROM ttrss_labels2 WHERE
6392                         owner_uid = '".$_SESSION["uid"]."' ORDER BY caption");
6393
6394                 while ($line = db_fetch_assoc($result)) {
6395
6396                         $label_id = $line["id"];
6397                         $label_caption = $line["caption"];
6398
6399                         if ($feed_id < -10 && $feed_id == -11-$label_id) {
6400                                 print "<li id=\"LHDL-$id\"
6401                                         onclick=\"javascript:selectionRemoveLabel($label_id)\">
6402                                         &nbsp;&nbsp;$label_caption ".__('(remove)')."</li>";
6403                         } else {
6404                                 print "<li id=\"LHDL-$id\"
6405                                         onclick=\"javascript:selectionAssignLabel($label_id)\">
6406                                         &nbsp;&nbsp;$label_caption</li>";
6407                         }
6408                 }
6409         }
6410
6411         function format_tags_string($tags, $id) {
6412
6413                 $tags_str = "";
6414                 $tags_nolinks_str = "";
6415
6416                 $num_tags = 0;
6417
6418 /*              if (get_user_theme($link) == "3pane") {
6419                         $tag_limit = 3;
6420                 } else {
6421                         $tag_limit = 6;
6422                 } */
6423
6424                 $tag_limit = 6;
6425
6426                 $formatted_tags = array();
6427
6428                 foreach ($tags as $tag) {
6429                         $num_tags++;
6430                         $tag_escaped = str_replace("'", "\\'", $tag);
6431
6432                         if (mb_strlen($tag) > 30) {
6433                                 $tag = truncate_string($tag, 30);
6434                         }
6435
6436                         $tag_str = "<a href=\"javascript:viewfeed('$tag_escaped')\">$tag</a>";
6437
6438                         array_push($formatted_tags, $tag_str);
6439
6440                         $tmp_tags_str = implode(", ", $formatted_tags);
6441
6442                         if ($num_tags == $tag_limit || mb_strlen($tmp_tags_str) > 150) {
6443                                 break;
6444                         }
6445                 }
6446
6447                 $tags_str = implode(", ", $formatted_tags);
6448
6449                 if ($num_tags < count($tags)) {
6450                         $tags_str .= ", &hellip;";
6451                 }
6452
6453                 if ($num_tags == 0) {
6454                         $tags_str = __("no tags");
6455                 }
6456
6457                 return $tags_str;
6458
6459         }
6460
6461         function format_article_labels($labels, $id) {
6462
6463                 $labels_str = "";
6464
6465                 foreach ($labels as $l) {
6466                         $labels_str .= sprintf("<span class='hlLabelRef'
6467                                 style='color : %s; background-color : %s'>%s</span>",
6468                                         $l[2], $l[3], $l[1]);
6469                         }
6470
6471                 return $labels_str;
6472
6473         }
6474
6475         function format_article_note($id, $note) {
6476
6477                 $note_escaped = htmlspecialchars($note, ENT_QUOTES);
6478
6479                 $str = "<div class='articleNote'>";
6480                 $str .= $note;
6481                 $str .= "<div class='articleNoteOps'>";
6482                 $str .= "<a href=\"javascript:publishWithNote($id, '$note_escaped')\">".
6483                         __('edit note')."</a>";
6484                 $str .= "</div>";
6485                 $str .= "</div>";
6486
6487                 return $str;
6488         }
6489
6490         function toggle_collapse_cat($link, $cat_id) {
6491                 if ($cat_id > 0) {
6492                         db_query($link, "UPDATE ttrss_feed_categories SET
6493                                 collapsed = NOT collapsed WHERE id = '$cat_id' AND owner_uid = " .
6494                                 $_SESSION["uid"]);
6495                 } else {
6496                         $pref_name = '';
6497
6498                         switch ($cat_id) {
6499                         case -1:
6500                                 $pref_name = '_COLLAPSED_SPECIAL';
6501                                 break;
6502                         case -2:
6503                                 $pref_name = '_COLLAPSED_LABELS';
6504                                 break;
6505                         case 0:
6506                                 $pref_name = '_COLLAPSED_UNCAT';
6507                                 break;
6508                         }
6509
6510                         if ($pref_name) {
6511                                 if (get_pref($link, $pref_name)) {
6512                                         set_pref($link, $pref_name, 'false');
6513                                 } else {
6514                                         set_pref($link, $pref_name, 'true');
6515                                 }
6516                         }
6517                 }
6518         }
6519
6520         function remove_feed($link, $id, $owner_uid) {
6521
6522                 if ($id > 0) {
6523
6524                         /* save starred articles in Archived feed */
6525
6526                         db_query($link, "BEGIN");
6527
6528                         /* prepare feed if necessary */
6529
6530                         $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6531                                 WHERE id = '$id'");
6532
6533                         if (db_num_rows($result) == 0) {
6534                                 db_query($link, "INSERT INTO ttrss_archived_feeds
6535                                         (id, owner_uid, title, feed_url, site_url)
6536                                 SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6537                                 WHERE id = '$id'");
6538                         }
6539
6540                         db_query($link, "UPDATE ttrss_user_entries SET feed_id = NULL,
6541                                 orig_feed_id = '$id' WHERE feed_id = '$id' AND
6542                                         marked = true AND owner_uid = $owner_uid");
6543
6544                         /* remove the feed */
6545
6546                         db_query($link, "DELETE FROM ttrss_feeds
6547                                         WHERE id = '$id' AND owner_uid = $owner_uid");
6548
6549                         db_query($link, "COMMIT");
6550
6551 /*                      if (file_exists(ICONS_DIR . "/$id.ico")) {
6552                                 unlink(ICONS_DIR . "/$id.ico");
6553                         } */
6554
6555                         ccache_remove($link, $id, $owner_uid);
6556
6557                 } else {
6558                         label_remove($link, -11-$id, $owner_uid);
6559                         ccache_remove($link, -11-$id, $owner_uid);
6560                 }
6561         }
6562
6563         function remove_feed_category($link, $id, $owner_uid) {
6564
6565                 db_query($link, "DELETE FROM ttrss_feed_categories
6566                         WHERE id = '$id' AND owner_uid = $owner_uid");
6567
6568                 ccache_remove($link, $id, $owner_uid, true);
6569         }
6570
6571         function archive_article($link, $id, $owner_uid) {
6572                 db_query($link, "BEGIN");
6573
6574                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6575                         WHERE ref_id = '$id' AND owner_uid = $owner_uid");
6576
6577                 if (db_num_rows($result) != 0) {
6578
6579                         /* prepare the archived table */
6580
6581                         $feed_id = (int) db_fetch_result($result, 0, "feed_id");
6582
6583                         if ($feed_id) {
6584                                 $result = db_query($link, "SELECT id FROM ttrss_archived_feeds
6585                                         WHERE id = '$feed_id'");
6586
6587                                 if (db_num_rows($result) == 0) {
6588                                         db_query($link, "INSERT INTO ttrss_archived_feeds
6589                                                 (id, owner_uid, title, feed_url, site_url)
6590                                         SELECT id, owner_uid, title, feed_url, site_url from ttrss_feeds
6591                                         WHERE id = '$feed_id'");
6592                                 }
6593
6594                                 db_query($link, "UPDATE ttrss_user_entries
6595                                         SET orig_feed_id = feed_id, feed_id = NULL
6596                                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6597                         }
6598                 }
6599
6600                 db_query($link, "COMMIT");
6601         }
6602
6603         function getArticleFeed($link, $id) {
6604                 $result = db_query($link, "SELECT feed_id FROM ttrss_user_entries
6605                         WHERE ref_id = '$id' AND owner_uid = " . $_SESSION["uid"]);
6606
6607                 if (db_num_rows($result) != 0) {
6608                         return db_fetch_result($result, 0, "feed_id");
6609                 } else {
6610                         return 0;
6611                 }
6612         }
6613
6614         function make_url_from_parts($parts) {
6615                 $url = $parts['scheme'] . '://' . $parts['host'];
6616
6617                 if ($parts['path']) $url .= $parts['path'];
6618                 if ($parts['query']) $url .= '?' . $parts['query'];
6619
6620                 return $url;
6621         }
6622
6623         function validate_feed_url($url) {
6624                 $parts = parse_url($url);
6625
6626                 return ($parts['scheme'] == 'http' || $parts['scheme'] == 'feed' || $parts['scheme'] == 'https');
6627
6628         }
6629
6630         function get_article_enclosures($link, $id) {
6631
6632                 global $memcache;
6633
6634                 $query = "SELECT * FROM ttrss_enclosures
6635                         WHERE post_id = '$id' AND content_url != ''";
6636
6637                 $obj_id = md5("ENCLOSURES:$id");
6638
6639                 $rv = array();
6640
6641                 if ($memcache && $obj = $memcache->get($obj_id)) {
6642                         $rv = $obj;
6643                 } else {
6644                         $result = db_query($link, $query);
6645
6646                         if (db_num_rows($result) > 0) {
6647                                 while ($line = db_fetch_assoc($result)) {
6648                                         array_push($rv, $line);
6649                                 }
6650                                 if ($memcache) $memcache->add($obj_id, $rv, 0, 3600);
6651                         }
6652                 }
6653
6654                 return $rv;
6655         }
6656
6657         function api_get_feeds($link, $cat_id, $unread_only, $limit, $offset) {
6658
6659                         $feeds = array();
6660
6661                         /* Labels */
6662
6663                         if ($cat_id == -4 || $cat_id == -2) {
6664                                 $counters = getLabelCounters($link, true);
6665
6666                                 foreach (array_values($counters) as $cv) {
6667
6668                                         $unread = $cv["counter"];
6669
6670                                         if ($unread || !$unread_only) {
6671
6672                                                 $row = array(
6673                                                                 "id" => $cv["id"],
6674                                                                 "title" => $cv["description"],
6675                                                                 "unread" => $cv["counter"],
6676                                                                 "cat_id" => -2,
6677                                                         );
6678
6679                                                 array_push($feeds, $row);
6680                                         }
6681                                 }
6682                         }
6683
6684                         /* Virtual feeds */
6685
6686                         if ($cat_id == -4 || $cat_id == -1) {
6687                                 foreach (array(-1, -2, -3, -4, 0) as $i) {
6688                                         $unread = getFeedUnread($link, $i);
6689
6690                                         if ($unread || !$unread_only) {
6691                                                 $title = getFeedTitle($link, $i);
6692
6693                                                 $row = array(
6694                                                                 "id" => $i,
6695                                                                 "title" => $title,
6696                                                                 "unread" => $unread,
6697                                                                 "cat_id" => -1,
6698                                                         );
6699                                                 array_push($feeds, $row);
6700                                         }
6701
6702                                 }
6703                         }
6704
6705                         /* Real feeds */
6706
6707                         if ($limit) {
6708                                 $limit_qpart = "LIMIT $limit OFFSET $offset";
6709                         } else {
6710                                 $limit_qpart = "";
6711                         }
6712
6713                         if ($cat_id == -4 || $cat_id == -3) {
6714                                 $result = db_query($link, "SELECT
6715                                         id, feed_url, cat_id, title, ".
6716                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6717                                                 FROM ttrss_feeds WHERE owner_uid = " . $_SESSION["uid"] .
6718                                                 " ORDER BY cat_id, title " . $limit_qpart);
6719                         } else {
6720
6721                                 if ($cat_id)
6722                                         $cat_qpart = "cat_id = '$cat_id'";
6723                                 else
6724                                         $cat_qpart = "cat_id IS NULL";
6725
6726                                 $result = db_query($link, "SELECT
6727                                         id, feed_url, cat_id, title, ".
6728                                                 SUBSTRING_FOR_DATE."(last_updated,1,19) AS last_updated
6729                                                 FROM ttrss_feeds WHERE
6730                                                 $cat_qpart AND owner_uid = " . $_SESSION["uid"] .
6731                                                 " ORDER BY cat_id, title " . $limit_qpart);
6732                         }
6733
6734                         while ($line = db_fetch_assoc($result)) {
6735
6736                                 $unread = getFeedUnread($link, $line["id"]);
6737
6738                                 $has_icon = feed_has_icon($line['id']);
6739
6740                                 if ($unread || !$unread_only) {
6741
6742                                         $row = array(
6743                                                         "feed_url" => $line["feed_url"],
6744                                                         "title" => $line["title"],
6745                                                         "id" => (int)$line["id"],
6746                                                         "unread" => (int)$unread,
6747                                                         "has_icon" => $has_icon,
6748                                                         "cat_id" => (int)$line["cat_id"],
6749                                                         "last_updated" => strtotime($line["last_updated"])
6750                                                 );
6751
6752                                         array_push($feeds, $row);
6753                                 }
6754                         }
6755
6756                 return $feeds;
6757         }
6758
6759         function api_get_headlines($link, $feed_id, $limit, $offset,
6760                                         $filter, $is_cat, $show_excerpt, $show_content, $view_mode, $order) {
6761
6762                         /* do not rely on params below */
6763
6764                         $search = db_escape_string($_REQUEST["search"]);
6765                         $search_mode = db_escape_string($_REQUEST["search_mode"]);
6766                         $match_on = db_escape_string($_REQUEST["match_on"]);
6767
6768                         $qfh_ret = queryFeedHeadlines($link, $feed_id, $limit,
6769                                 $view_mode, $is_cat, $search, $search_mode, $match_on,
6770                                 $order, $offset);
6771
6772                         $result = $qfh_ret[0];
6773                         $feed_title = $qfh_ret[1];
6774
6775                         $headlines = array();
6776
6777                         while ($line = db_fetch_assoc($result)) {
6778                                 $is_updated = ($line["last_read"] == "" &&
6779                                         ($line["unread"] != "t" && $line["unread"] != "1"));
6780
6781                                 $headline_row = array(
6782                                                 "id" => (int)$line["id"],
6783                                                 "unread" => sql_bool_to_bool($line["unread"]),
6784                                                 "marked" => sql_bool_to_bool($line["marked"]),
6785                                                 "published" => sql_bool_to_bool($line["published"]),
6786                                                 "updated" => strtotime($line["updated"]),
6787                                                 "is_updated" => $is_updated,
6788                                                 "title" => $line["title"],
6789                                                 "link" => $line["link"],
6790                                                 "feed_id" => $line["feed_id"],
6791                                                 "tags" => get_article_tags($link, $line["id"]),
6792                                         );
6793
6794                                 if ($show_excerpt) {
6795                                         $excerpt = truncate_string(strip_tags($line["content_preview"]), 100);
6796                                         $headline_row["excerpt"] = $excerpt;
6797                                 }
6798
6799                                 if ($show_content) {
6800                                         $headline_row["content"] = $line["content_preview"];
6801                                 }
6802
6803                                 array_push($headlines, $headline_row);
6804                         }
6805
6806                         return $headlines;
6807         }
6808
6809         function generate_dashboard_feed($link) {
6810                 print "<headlines id=\"-5\" is_cat=\"\">";
6811
6812                 print '<![CDATA[<div id="headlinesContainer">';
6813
6814                 print "<div class='whiteBox'>".__('No feed selected.');
6815
6816                 print "<p class=\"small\"><span class=\"insensitive\">";
6817
6818                 $result = db_query($link, "SELECT ".SUBSTRING_FOR_DATE."(MAX(last_updated), 1, 19) AS last_updated FROM ttrss_feeds
6819                         WHERE owner_uid = " . $_SESSION['uid']);
6820
6821                 $last_updated = db_fetch_result($result, 0, "last_updated");
6822
6823                 if (get_pref($link, 'HEADLINES_SMART_DATE')) {
6824                         $last_updated = smart_date_time(strtotime($last_updated));
6825                 } else {
6826                         $last_updated = date($short_date, strtotime($last_updated));
6827                 }
6828
6829                 printf(__("Feeds last updated at %s"), $last_updated);
6830
6831                 $result = db_query($link, "SELECT COUNT(id) AS num_errors
6832                         FROM ttrss_feeds WHERE last_error != '' AND owner_uid = ".$_SESSION["uid"]);
6833
6834                 $num_errors = db_fetch_result($result, 0, "num_errors");
6835
6836                 if ($num_errors > 0) {
6837                         print "<br/>";
6838                         print "<a class=\"insensitive\" href=\"#\" onclick=\"showFeedsWithErrors()\">".
6839                                 __('Some feeds have update errors (click for details)')."</a>";
6840                 }
6841                 print "</span></p>";
6842
6843                 print "</div>]]>";
6844                 print "</headlines>";
6845
6846                 print "<headlines-count value=\"0\"/>";
6847                 print "<vgroup-last-feed value=\"0\"/>";
6848                 print "<headlines-unread value=\"0\"/>";
6849                 print "<disable-cache value=\"1\"/>";
6850
6851         }
6852 ?>